Home / 20,238,463.59-27,929,116.50-11,071,106.34

Finding the Fourth Proportional to 20,238,463.59, 27,929,116.50 and 11,071,106.34

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Solution

The fourth proportional to 20,238,463.59, 27,929,116.50 and 11,071,106.34 is: 15,278,146.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,238,463.59 : 27,929,116.50 = 11,071,106.34 : x
  2. Step 2: Convert to fraction form
    20,238,463.59/27,929,116.50 = 11,071,106.34/x
  3. Step 3: Cross multiply
    20,238,463.59x = 27,929,116.50 × 11,071,106.34
  4. Step 4: Simplify right side
    20,238,463.59x = 309,206,218,607,497.75
  5. Step 5: Solve for x
    x = 309,206,218,607,497.75/20,238,463.59
  6. Step 6: Final answer
    x = 15,278,146.85

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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.