Home / 15,871,654.62-21,904,909.47-9,345,891.30

Finding the Fourth Proportional to 15,871,654.62, 21,904,909.47 and 9,345,891.30

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Solution

The fourth proportional to 15,871,654.62, 21,904,909.47 and 9,345,891.30 is: 12,898,523.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,871,654.62 : 21,904,909.47 = 9,345,891.30 : x
  2. Step 2: Convert to fraction form
    15,871,654.62/21,904,909.47 = 9,345,891.30/x
  3. Step 3: Cross multiply
    15,871,654.62x = 21,904,909.47 × 9,345,891.30
  4. Step 4: Simplify right side
    15,871,654.62x = 204,720,902,842,960.62
  5. Step 5: Solve for x
    x = 204,720,902,842,960.62/15,871,654.62
  6. Step 6: Final answer
    x = 12,898,523.04

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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.