Home / 20,156,351.20-27,815,763.68-11,454,540.64

Finding the Fourth Proportional to 20,156,351.20, 27,815,763.68 and 11,454,540.64

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Solution

The fourth proportional to 20,156,351.20, 27,815,763.68 and 11,454,540.64 is: 15,807,265.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,156,351.20 : 27,815,763.68 = 11,454,540.64 : x
  2. Step 2: Convert to fraction form
    20,156,351.20/27,815,763.68 = 11,454,540.64/x
  3. Step 3: Cross multiply
    20,156,351.20x = 27,815,763.68 × 11,454,540.64
  4. Step 4: Simplify right side
    20,156,351.20x = 318,616,795,505,195.94
  5. Step 5: Solve for x
    x = 318,616,795,505,195.94/20,156,351.20
  6. Step 6: Final answer
    x = 15,807,265.53

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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.