Home / 22,278,729.14-33,418,560.30-7,132,616.90

Finding the Fourth Proportional to 22,278,729.14, 33,418,560.30 and 7,132,616.90

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Solution

The fourth proportional to 22,278,729.14, 33,418,560.30 and 7,132,616.90 is: 10,699,074.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,278,729.14 : 33,418,560.30 = 7,132,616.90 : x
  2. Step 2: Convert to fraction form
    22,278,729.14/33,418,560.30 = 7,132,616.90/x
  3. Step 3: Cross multiply
    22,278,729.14x = 33,418,560.30 × 7,132,616.90
  4. Step 4: Simplify right side
    22,278,729.14x = 238,361,787,969,449.09
  5. Step 5: Solve for x
    x = 238,361,787,969,449.09/22,278,729.14
  6. Step 6: Final answer
    x = 10,699,074.73

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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.