Home / 7,168,766.60-10,753,149.90-7,119,000.20

Finding the Fourth Proportional to 7,168,766.60, 10,753,149.90 and 7,119,000.20

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Solution

The fourth proportional to 7,168,766.60, 10,753,149.90 and 7,119,000.20 is: 10,678,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168,766.60 : 10,753,149.90 = 7,119,000.20 : x
  2. Step 2: Convert to fraction form
    7,168,766.60/10,753,149.90 = 7,119,000.20/x
  3. Step 3: Cross multiply
    7,168,766.60x = 10,753,149.90 × 7,119,000.20
  4. Step 4: Simplify right side
    7,168,766.60x = 76,551,676,288,729.98
  5. Step 5: Solve for x
    x = 76,551,676,288,729.98/7,168,766.60
  6. Step 6: Final answer
    x = 10,678,500.30

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Double scale
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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.