Home / 18,491,202.28-25,518,611.24-10,231,130.18

Finding the Fourth Proportional to 18,491,202.28, 25,518,611.24 and 10,231,130.18

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Solution

The fourth proportional to 18,491,202.28, 25,518,611.24 and 10,231,130.18 is: 14,119,375.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,491,202.28 : 25,518,611.24 = 10,231,130.18 : x
  2. Step 2: Convert to fraction form
    18,491,202.28/25,518,611.24 = 10,231,130.18/x
  3. Step 3: Cross multiply
    18,491,202.28x = 25,518,611.24 × 10,231,130.18
  4. Step 4: Simplify right side
    18,491,202.28x = 261,084,233,609,251.19
  5. Step 5: Solve for x
    x = 261,084,233,609,251.19/18,491,202.28
  6. Step 6: Final answer
    x = 14,119,375.78

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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.