Home / 20,070,732.38-27,695,389.29-11,129,617.77

Finding the Fourth Proportional to 20,070,732.38, 27,695,389.29 and 11,129,617.77

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Solution

The fourth proportional to 20,070,732.38, 27,695,389.29 and 11,129,617.77 is: 15,357,640.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,070,732.38 : 27,695,389.29 = 11,129,617.77 : x
  2. Step 2: Convert to fraction form
    20,070,732.38/27,695,389.29 = 11,129,617.77/x
  3. Step 3: Cross multiply
    20,070,732.38x = 27,695,389.29 × 11,129,617.77
  4. Step 4: Simplify right side
    20,070,732.38x = 308,239,096,789,051.69
  5. Step 5: Solve for x
    x = 308,239,096,789,051.69/20,070,732.38
  6. Step 6: Final answer
    x = 15,357,640.72

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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.