Home / 8,189,693.70-12,284,540.55-7,268,529.30

Finding the Fourth Proportional to 8,189,693.70, 12,284,540.55 and 7,268,529.30

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Solution

The fourth proportional to 8,189,693.70, 12,284,540.55 and 7,268,529.30 is: 10,902,793.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189,693.70 : 12,284,540.55 = 7,268,529.30 : x
  2. Step 2: Convert to fraction form
    8,189,693.70/12,284,540.55 = 7,268,529.30/x
  3. Step 3: Cross multiply
    8,189,693.70x = 12,284,540.55 × 7,268,529.30
  4. Step 4: Simplify right side
    8,189,693.70x = 89,290,542,924,713.12
  5. Step 5: Solve for x
    x = 89,290,542,924,713.12/8,189,693.70
  6. Step 6: Final answer
    x = 10,902,793.95

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Double scale
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Similar ratio
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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.