Home / 8,065,489.60-12,098,234.40-7,183,691.20

Finding the Fourth Proportional to 8,065,489.60, 12,098,234.40 and 7,183,691.20

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Solution

The fourth proportional to 8,065,489.60, 12,098,234.40 and 7,183,691.20 is: 10,775,536.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,065,489.60 : 12,098,234.40 = 7,183,691.20 : x
  2. Step 2: Convert to fraction form
    8,065,489.60/12,098,234.40 = 7,183,691.20/x
  3. Step 3: Cross multiply
    8,065,489.60x = 12,098,234.40 × 7,183,691.20
  4. Step 4: Simplify right side
    8,065,489.60x = 86,909,979,994,817.28
  5. Step 5: Solve for x
    x = 86,909,979,994,817.28/8,065,489.60
  6. Step 6: Final answer
    x = 10,775,536.80

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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.