Home / 8,279,743.20-12,419,614.80-4,234,886.70

Finding the Fourth Proportional to 8,279,743.20, 12,419,614.80 and 4,234,886.70

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Solution

The fourth proportional to 8,279,743.20, 12,419,614.80 and 4,234,886.70 is: 6,352,330.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279,743.20 : 12,419,614.80 = 4,234,886.70 : x
  2. Step 2: Convert to fraction form
    8,279,743.20/12,419,614.80 = 4,234,886.70/x
  3. Step 3: Cross multiply
    8,279,743.20x = 12,419,614.80 × 4,234,886.70
  4. Step 4: Simplify right side
    8,279,743.20x = 52,595,661,535,643.16
  5. Step 5: Solve for x
    x = 52,595,661,535,643.16/8,279,743.20
  6. Step 6: Final answer
    x = 6,352,330.05

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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.