Home / 8,057,221.70-12,085,832.55-7,665,311.30

Finding the Fourth Proportional to 8,057,221.70, 12,085,832.55 and 7,665,311.30

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Solution

The fourth proportional to 8,057,221.70, 12,085,832.55 and 7,665,311.30 is: 11,497,966.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,057,221.70 : 12,085,832.55 = 7,665,311.30 : x
  2. Step 2: Convert to fraction form
    8,057,221.70/12,085,832.55 = 7,665,311.30/x
  3. Step 3: Cross multiply
    8,057,221.70x = 12,085,832.55 × 7,665,311.30
  4. Step 4: Simplify right side
    8,057,221.70x = 92,641,668,815,422.81
  5. Step 5: Solve for x
    x = 92,641,668,815,422.81/8,057,221.70
  6. Step 6: Final answer
    x = 11,497,966.95

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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.