Home / 8,224,326.80-12,336,490.20-8,082,609.20

Finding the Fourth Proportional to 8,224,326.80, 12,336,490.20 and 8,082,609.20

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Solution

The fourth proportional to 8,224,326.80, 12,336,490.20 and 8,082,609.20 is: 12,123,913.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,224,326.80 : 12,336,490.20 = 8,082,609.20 : x
  2. Step 2: Convert to fraction form
    8,224,326.80/12,336,490.20 = 8,082,609.20/x
  3. Step 3: Cross multiply
    8,224,326.80x = 12,336,490.20 × 8,082,609.20
  4. Step 4: Simplify right side
    8,224,326.80x = 99,711,029,186,229.84
  5. Step 5: Solve for x
    x = 99,711,029,186,229.84/8,224,326.80
  6. Step 6: Final answer
    x = 12,123,913.80

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Double scale
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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.