Home / 18,388,086.43-25,375,557.99-10,657,612.78

Finding the Fourth Proportional to 18,388,086.43, 25,375,557.99 and 10,657,612.78

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Solution

The fourth proportional to 18,388,086.43, 25,375,557.99 and 10,657,612.78 is: 14,707,504.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,388,086.43 : 25,375,557.99 = 10,657,612.78 : x
  2. Step 2: Convert to fraction form
    18,388,086.43/25,375,557.99 = 10,657,612.78/x
  3. Step 3: Cross multiply
    18,388,086.43x = 25,375,557.99 × 10,657,612.78
  4. Step 4: Simplify right side
    18,388,086.43x = 270,442,871,253,119.75
  5. Step 5: Solve for x
    x = 270,442,871,253,119.75/18,388,086.43
  6. Step 6: Final answer
    x = 14,707,504.90

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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.