Home / 8,258,394.60-12,387,591.90-5,388,613.20

Finding the Fourth Proportional to 8,258,394.60, 12,387,591.90 and 5,388,613.20

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Solution

The fourth proportional to 8,258,394.60, 12,387,591.90 and 5,388,613.20 is: 8,082,919.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,258,394.60 : 12,387,591.90 = 5,388,613.20 : x
  2. Step 2: Convert to fraction form
    8,258,394.60/12,387,591.90 = 5,388,613.20/x
  3. Step 3: Cross multiply
    8,258,394.60x = 12,387,591.90 × 5,388,613.20
  4. Step 4: Simplify right side
    8,258,394.60x = 66,751,941,228,553.09
  5. Step 5: Solve for x
    x = 66,751,941,228,553.09/8,258,394.60
  6. Step 6: Final answer
    x = 8,082,919.80

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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.