Home / 15,680,626.20-23,520,939.30-12,279,403.80

Finding the Fourth Proportional to 15,680,626.20, 23,520,939.30 and 12,279,403.80

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Solution

The fourth proportional to 15,680,626.20, 23,520,939.30 and 12,279,403.80 is: 18,419,105.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,680,626.20 : 23,520,939.30 = 12,279,403.80 : x
  2. Step 2: Convert to fraction form
    15,680,626.20/23,520,939.30 = 12,279,403.80/x
  3. Step 3: Cross multiply
    15,680,626.20x = 23,520,939.30 × 12,279,403.80
  4. Step 4: Simplify right side
    15,680,626.20x = 288,823,111,419,989.38
  5. Step 5: Solve for x
    x = 288,823,111,419,989.38/15,680,626.20
  6. Step 6: Final answer
    x = 18,419,105.70

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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.