Home / 36,693,610.90-55,040,416.35-19,687,498.90

Finding the Fourth Proportional to 36,693,610.90, 55,040,416.35 and 19,687,498.90

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Solution

The fourth proportional to 36,693,610.90, 55,040,416.35 and 19,687,498.90 is: 29,531,248.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,693,610.90 : 55,040,416.35 = 19,687,498.90 : x
  2. Step 2: Convert to fraction form
    36,693,610.90/55,040,416.35 = 19,687,498.90/x
  3. Step 3: Cross multiply
    36,693,610.90x = 55,040,416.35 × 19,687,498.90
  4. Step 4: Simplify right side
    36,693,610.90x = 1,083,608,136,346,167
  5. Step 5: Solve for x
    x = 1,083,608,136,346,167/36,693,610.90
  6. Step 6: Final answer
    x = 29,531,248.35

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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.