Home / 8,316,176.60-12,474,264.90-5,124,906.20

Finding the Fourth Proportional to 8,316,176.60, 12,474,264.90 and 5,124,906.20

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Solution

The fourth proportional to 8,316,176.60, 12,474,264.90 and 5,124,906.20 is: 7,687,359.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,316,176.60 : 12,474,264.90 = 5,124,906.20 : x
  2. Step 2: Convert to fraction form
    8,316,176.60/12,474,264.90 = 5,124,906.20/x
  3. Step 3: Cross multiply
    8,316,176.60x = 12,474,264.90 × 5,124,906.20
  4. Step 4: Simplify right side
    8,316,176.60x = 63,929,437,526,452.38
  5. Step 5: Solve for x
    x = 63,929,437,526,452.38/8,316,176.60
  6. Step 6: Final answer
    x = 7,687,359.30

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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.