Home / 21,241,559,457.52-29,312,583,641.40-11,725,906,827.76

Finding the Fourth Proportional to 21,241,559,457.52, 29,312,583,641.40 and 11,725,906,827.76

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Solution

The fourth proportional to 21,241,559,457.52, 29,312,583,641.40 and 11,725,906,827.76 is: 16,181,327,239.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,241,559,457.52 : 29,312,583,641.40 = 11,725,906,827.76 : x
  2. Step 2: Convert to fraction form
    21,241,559,457.52/29,312,583,641.40 = 11,725,906,827.76/x
  3. Step 3: Cross multiply
    21,241,559,457.52x = 29,312,583,641.40 × 11,725,906,827.76
  4. Step 4: Simplify right side
    21,241,559,457.52x = 343,716,624,659,978,387,456
  5. Step 5: Solve for x
    x = 343,716,624,659,978,387,456/21,241,559,457.52
  6. Step 6: Final answer
    x = 16,181,327,239.53

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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.