Home / 21,335,488.13-29,443,046.90-11,545,929.73

Finding the Fourth Proportional to 21,335,488.13, 29,443,046.90 and 11,545,929.73

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Solution

The fourth proportional to 21,335,488.13, 29,443,046.90 and 11,545,929.73 is: 15,933,422.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,335,488.13 : 29,443,046.90 = 11,545,929.73 : x
  2. Step 2: Convert to fraction form
    21,335,488.13/29,443,046.90 = 11,545,929.73/x
  3. Step 3: Cross multiply
    21,335,488.13x = 29,443,046.90 × 11,545,929.73
  4. Step 4: Simplify right side
    21,335,488.13x = 339,947,350,397,279.06
  5. Step 5: Solve for x
    x = 339,947,350,397,279.06/21,335,488.13
  6. Step 6: Final answer
    x = 15,933,422.68

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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.