Home / 12,474,310.20-18,711,465.30-9,115,078.20

Finding the Fourth Proportional to 12,474,310.20, 18,711,465.30 and 9,115,078.20

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Solution

The fourth proportional to 12,474,310.20, 18,711,465.30 and 9,115,078.20 is: 13,672,617.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,310.20 : 18,711,465.30 = 9,115,078.20 : x
  2. Step 2: Convert to fraction form
    12,474,310.20/18,711,465.30 = 9,115,078.20/x
  3. Step 3: Cross multiply
    12,474,310.20x = 18,711,465.30 × 9,115,078.20
  4. Step 4: Simplify right side
    12,474,310.20x = 170,556,469,446,086.44
  5. Step 5: Solve for x
    x = 170,556,469,446,086.44/12,474,310.20
  6. Step 6: Final answer
    x = 13,672,617.30

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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.