Home / 11,665,998.60-17,498,997.90-7,180,801.80

Finding the Fourth Proportional to 11,665,998.60, 17,498,997.90 and 7,180,801.80

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Solution

The fourth proportional to 11,665,998.60, 17,498,997.90 and 7,180,801.80 is: 10,771,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,665,998.60 : 17,498,997.90 = 7,180,801.80 : x
  2. Step 2: Convert to fraction form
    11,665,998.60/17,498,997.90 = 7,180,801.80/x
  3. Step 3: Cross multiply
    11,665,998.60x = 17,498,997.90 × 7,180,801.80
  4. Step 4: Simplify right side
    11,665,998.60x = 125,656,835,618,516.20
  5. Step 5: Solve for x
    x = 125,656,835,618,516.20/11,665,998.60
  6. Step 6: Final answer
    x = 10,771,202.70

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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.