Home / 21,241,559,450.52-29,312,583,631.74-11,725,906,820.76

Finding the Fourth Proportional to 21,241,559,450.52, 29,312,583,631.74 and 11,725,906,820.76

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Solution

The fourth proportional to 21,241,559,450.52, 29,312,583,631.74 and 11,725,906,820.76 is: 16,181,327,229.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,241,559,450.52 : 29,312,583,631.74 = 11,725,906,820.76 : x
  2. Step 2: Convert to fraction form
    21,241,559,450.52/29,312,583,631.74 = 11,725,906,820.76/x
  3. Step 3: Cross multiply
    21,241,559,450.52x = 29,312,583,631.74 × 11,725,906,820.76
  4. Step 4: Simplify right side
    21,241,559,450.52x = 343,716,624,341,517,991,936
  5. Step 5: Solve for x
    x = 343,716,624,341,517,991,936/21,241,559,450.52
  6. Step 6: Final answer
    x = 16,181,327,229.87

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Half scale
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Double scale
Find fourth proportional to 21,241,559,451.52, 29,312,583,633.12 and 11,725,906,821.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.