Home / 12,474,230.60-18,711,345.90-10,931,472.20

Finding the Fourth Proportional to 12,474,230.60, 18,711,345.90 and 10,931,472.20

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Solution

The fourth proportional to 12,474,230.60, 18,711,345.90 and 10,931,472.20 is: 16,397,208.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,230.60 : 18,711,345.90 = 10,931,472.20 : x
  2. Step 2: Convert to fraction form
    12,474,230.60/18,711,345.90 = 10,931,472.20/x
  3. Step 3: Cross multiply
    12,474,230.60x = 18,711,345.90 × 10,931,472.20
  4. Step 4: Simplify right side
    12,474,230.60x = 204,542,557,530,433.94
  5. Step 5: Solve for x
    x = 204,542,557,530,433.94/12,474,230.60
  6. Step 6: Final answer
    x = 16,397,208.30

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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.