Home / 8,179,500.60-12,269,250.90-5,200,889.40

Finding the Fourth Proportional to 8,179,500.60, 12,269,250.90 and 5,200,889.40

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Solution

The fourth proportional to 8,179,500.60, 12,269,250.90 and 5,200,889.40 is: 7,801,334.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179,500.60 : 12,269,250.90 = 5,200,889.40 : x
  2. Step 2: Convert to fraction form
    8,179,500.60/12,269,250.90 = 5,200,889.40/x
  3. Step 3: Cross multiply
    8,179,500.60x = 12,269,250.90 × 5,200,889.40
  4. Step 4: Simplify right side
    8,179,500.60x = 63,811,016,951,750.47
  5. Step 5: Solve for x
    x = 63,811,016,951,750.47/8,179,500.60
  6. Step 6: Final answer
    x = 7,801,334.10

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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.