Home / 8,082,107.20-12,123,160.80-7,205,229.55

Finding the Fourth Proportional to 8,082,107.20, 12,123,160.80 and 7,205,229.55

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Solution

The fourth proportional to 8,082,107.20, 12,123,160.80 and 7,205,229.55 is: 10,807,844.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,082,107.20 : 12,123,160.80 = 7,205,229.55 : x
  2. Step 2: Convert to fraction form
    8,082,107.20/12,123,160.80 = 7,205,229.55/x
  3. Step 3: Cross multiply
    8,082,107.20x = 12,123,160.80 × 7,205,229.55
  4. Step 4: Simplify right side
    8,082,107.20x = 87,350,156,435,561.64
  5. Step 5: Solve for x
    x = 87,350,156,435,561.64/8,082,107.20
  6. Step 6: Final answer
    x = 10,807,844.33

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Double scale
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Similar ratio
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1.5x scale

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.