Home / 7,168,766.10-10,753,149.15-7,118,999.70

Finding the Fourth Proportional to 7,168,766.10, 10,753,149.15 and 7,118,999.70

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Solution

The fourth proportional to 7,168,766.10, 10,753,149.15 and 7,118,999.70 is: 10,678,499.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168,766.10 : 10,753,149.15 = 7,118,999.70 : x
  2. Step 2: Convert to fraction form
    7,168,766.10/10,753,149.15 = 7,118,999.70/x
  3. Step 3: Cross multiply
    7,168,766.10x = 10,753,149.15 × 7,118,999.70
  4. Step 4: Simplify right side
    7,168,766.10x = 76,551,665,572,905.27
  5. Step 5: Solve for x
    x = 76,551,665,572,905.27/7,168,766.10
  6. Step 6: Final answer
    x = 10,678,499.55

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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.