Home / 18,172,968.30-27,259,452.45-10,998,514.80

Finding the Fourth Proportional to 18,172,968.30, 27,259,452.45 and 10,998,514.80

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Solution

The fourth proportional to 18,172,968.30, 27,259,452.45 and 10,998,514.80 is: 16,497,772.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172,968.30 : 27,259,452.45 = 10,998,514.80 : x
  2. Step 2: Convert to fraction form
    18,172,968.30/27,259,452.45 = 10,998,514.80/x
  3. Step 3: Cross multiply
    18,172,968.30x = 27,259,452.45 × 10,998,514.80
  4. Step 4: Simplify right side
    18,172,968.30x = 299,813,491,211,221.25
  5. Step 5: Solve for x
    x = 299,813,491,211,221.25/18,172,968.30
  6. Step 6: Final answer
    x = 16,497,772.20

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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.