Home / 15,871,657.62-21,904,913.61-9,345,894.30

Finding the Fourth Proportional to 15,871,657.62, 21,904,913.61 and 9,345,894.30

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Solution

The fourth proportional to 15,871,657.62, 21,904,913.61 and 9,345,894.30 is: 12,898,527.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,871,657.62 : 21,904,913.61 = 9,345,894.30 : x
  2. Step 2: Convert to fraction form
    15,871,657.62/21,904,913.61 = 9,345,894.30/x
  3. Step 3: Cross multiply
    15,871,657.62x = 21,904,913.61 × 9,345,894.30
  4. Step 4: Simplify right side
    15,871,657.62x = 204,721,007,249,691.44
  5. Step 5: Solve for x
    x = 204,721,007,249,691.44/15,871,657.62
  6. Step 6: Final answer
    x = 12,898,527.18

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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.