Home / 8,399,500.80-12,599,251.20-5,194,233.60

Finding the Fourth Proportional to 8,399,500.80, 12,599,251.20 and 5,194,233.60

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Solution

The fourth proportional to 8,399,500.80, 12,599,251.20 and 5,194,233.60 is: 7,791,350.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399,500.80 : 12,599,251.20 = 5,194,233.60 : x
  2. Step 2: Convert to fraction form
    8,399,500.80/12,599,251.20 = 5,194,233.60/x
  3. Step 3: Cross multiply
    8,399,500.80x = 12,599,251.20 × 5,194,233.60
  4. Step 4: Simplify right side
    8,399,500.80x = 65,443,453,917,880.31
  5. Step 5: Solve for x
    x = 65,443,453,917,880.31/8,399,500.80
  6. Step 6: Final answer
    x = 7,791,350.40

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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.