Home / 20,522,930.20-30,765,149.70-7,752,016.60

Finding the Fourth Proportional to 20,522,930.20, 30,765,149.70 and 7,752,016.60

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Solution

The fourth proportional to 20,522,930.20, 30,765,149.70 and 7,752,016.60 is: 11,620,755.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522,930.20 : 30,765,149.70 = 7,752,016.60 : x
  2. Step 2: Convert to fraction form
    20,522,930.20/30,765,149.70 = 7,752,016.60/x
  3. Step 3: Cross multiply
    20,522,930.20x = 30,765,149.70 × 7,752,016.60
  4. Step 4: Simplify right side
    20,522,930.20x = 238,491,951,175,885
  5. Step 5: Solve for x
    x = 238,491,951,175,885/20,522,930.20
  6. Step 6: Final answer
    x = 11,620,755.36

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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.