Home / 8,474,134.10-12,711,201.15-5,072,911.70

Finding the Fourth Proportional to 8,474,134.10, 12,711,201.15 and 5,072,911.70

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Solution

The fourth proportional to 8,474,134.10, 12,711,201.15 and 5,072,911.70 is: 7,609,367.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474,134.10 : 12,711,201.15 = 5,072,911.70 : x
  2. Step 2: Convert to fraction form
    8,474,134.10/12,711,201.15 = 5,072,911.70/x
  3. Step 3: Cross multiply
    8,474,134.10x = 12,711,201.15 × 5,072,911.70
  4. Step 4: Simplify right side
    8,474,134.10x = 64,482,801,034,888.46
  5. Step 5: Solve for x
    x = 64,482,801,034,888.46/8,474,134.10
  6. Step 6: Final answer
    x = 7,609,367.55

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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.