Home / 21,553,930.97-29,783,332.83-15,348,203.85

Finding the Fourth Proportional to 21,553,930.97, 29,783,332.83 and 15,348,203.85

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Solution

The fourth proportional to 21,553,930.97, 29,783,332.83 and 15,348,203.85 is: 21,208,227.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,553,930.97 : 29,783,332.83 = 15,348,203.85 : x
  2. Step 2: Convert to fraction form
    21,553,930.97/29,783,332.83 = 15,348,203.85/x
  3. Step 3: Cross multiply
    21,553,930.97x = 29,783,332.83 × 15,348,203.85
  4. Step 4: Simplify right side
    21,553,930.97x = 457,120,663,607,237.38
  5. Step 5: Solve for x
    x = 457,120,663,607,237.38/21,553,930.97
  6. Step 6: Final answer
    x = 21,208,227.13

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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.