Home / 36,036,942.72-54,063,387.36-19,854,561.60

Finding the Fourth Proportional to 36,036,942.72, 54,063,387.36 and 19,854,561.60

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Solution

The fourth proportional to 36,036,942.72, 54,063,387.36 and 19,854,561.60 is: 29,786,235.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,036,942.72 : 54,063,387.36 = 19,854,561.60 : x
  2. Step 2: Convert to fraction form
    36,036,942.72/54,063,387.36 = 19,854,561.60/x
  3. Step 3: Cross multiply
    36,036,942.72x = 54,063,387.36 × 19,854,561.60
  4. Step 4: Simplify right side
    36,036,942.72x = 1,073,404,854,643,781.50
  5. Step 5: Solve for x
    x = 1,073,404,854,643,781.50/36,036,942.72
  6. Step 6: Final answer
    x = 29,786,235.28

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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.