Home / 20,610,729.24-28,443,694.14-11,443,371

Finding the Fourth Proportional to 20,610,729.24, 28,443,694.14 and 11,443,371

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Solution

The fourth proportional to 20,610,729.24, 28,443,694.14 and 11,443,371 is: 15,792,344.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,610,729.24 : 28,443,694.14 = 11,443,371 : x
  2. Step 2: Convert to fraction form
    20,610,729.24/28,443,694.14 = 11,443,371/x
  3. Step 3: Cross multiply
    20,610,729.24x = 28,443,694.14 × 11,443,371
  4. Step 4: Simplify right side
    20,610,729.24x = 325,491,744,654,545.94
  5. Step 5: Solve for x
    x = 325,491,744,654,545.94/20,610,729.24
  6. Step 6: Final answer
    x = 15,792,344.89

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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.