Home / 21,204,636.56-29,261,630.40-12,958,494.74

Finding the Fourth Proportional to 21,204,636.56, 29,261,630.40 and 12,958,494.74

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Solution

The fourth proportional to 21,204,636.56, 29,261,630.40 and 12,958,494.74 is: 17,882,253.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204,636.56 : 29,261,630.40 = 12,958,494.74 : x
  2. Step 2: Convert to fraction form
    21,204,636.56/29,261,630.40 = 12,958,494.74/x
  3. Step 3: Cross multiply
    21,204,636.56x = 29,261,630.40 × 12,958,494.74
  4. Step 4: Simplify right side
    21,204,636.56x = 379,186,683,622,224.06
  5. Step 5: Solve for x
    x = 379,186,683,622,224.06/21,204,636.56
  6. Step 6: Final answer
    x = 17,882,253.37

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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.