Home / 8,749,229.40-13,123,844.10-8,056,387.80

Finding the Fourth Proportional to 8,749,229.40, 13,123,844.10 and 8,056,387.80

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Solution

The fourth proportional to 8,749,229.40, 13,123,844.10 and 8,056,387.80 is: 12,084,581.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749,229.40 : 13,123,844.10 = 8,056,387.80 : x
  2. Step 2: Convert to fraction form
    8,749,229.40/13,123,844.10 = 8,056,387.80/x
  3. Step 3: Cross multiply
    8,749,229.40x = 13,123,844.10 × 8,056,387.80
  4. Step 4: Simplify right side
    8,749,229.40x = 105,730,777,496,341.97
  5. Step 5: Solve for x
    x = 105,730,777,496,341.97/8,749,229.40
  6. Step 6: Final answer
    x = 12,084,581.70

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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.