Home / 21,387,809.43-29,515,185-11,598,251.04

Finding the Fourth Proportional to 21,387,809.43, 29,515,185 and 11,598,251.04

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Solution

The fourth proportional to 21,387,809.43, 29,515,185 and 11,598,251.04 is: 16,005,590.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,387,809.43 : 29,515,185 = 11,598,251.04 : x
  2. Step 2: Convert to fraction form
    21,387,809.43/29,515,185 = 11,598,251.04/x
  3. Step 3: Cross multiply
    21,387,809.43x = 29,515,185 × 11,598,251.04
  4. Step 4: Simplify right side
    21,387,809.43x = 342,324,525,122,042.38
  5. Step 5: Solve for x
    x = 342,324,525,122,042.38/21,387,809.43
  6. Step 6: Final answer
    x = 16,005,590.77

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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.