Home / 8,059,228.70-12,088,843.05-7,315,211.30

Finding the Fourth Proportional to 8,059,228.70, 12,088,843.05 and 7,315,211.30

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Solution

The fourth proportional to 8,059,228.70, 12,088,843.05 and 7,315,211.30 is: 10,972,816.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,059,228.70 : 12,088,843.05 = 7,315,211.30 : x
  2. Step 2: Convert to fraction form
    8,059,228.70/12,088,843.05 = 7,315,211.30/x
  3. Step 3: Cross multiply
    8,059,228.70x = 12,088,843.05 × 7,315,211.30
  4. Step 4: Simplify right side
    8,059,228.70x = 88,432,441,283,286.47
  5. Step 5: Solve for x
    x = 88,432,441,283,286.47/8,059,228.70
  6. Step 6: Final answer
    x = 10,972,816.95

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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.