Home / 18,427,282.20-27,605,672.10-9,904,786.20

Finding the Fourth Proportional to 18,427,282.20, 27,605,672.10 and 9,904,786.20

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Solution

The fourth proportional to 18,427,282.20, 27,605,672.10 and 9,904,786.20 is: 14,838,231.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427,282.20 : 27,605,672.10 = 9,904,786.20 : x
  2. Step 2: Convert to fraction form
    18,427,282.20/27,605,672.10 = 9,904,786.20/x
  3. Step 3: Cross multiply
    18,427,282.20x = 27,605,672.10 × 9,904,786.20
  4. Step 4: Simplify right side
    18,427,282.20x = 273,428,280,057,805
  5. Step 5: Solve for x
    x = 273,428,280,057,805/18,427,282.20
  6. Step 6: Final answer
    x = 14,838,231.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.