Home / 36,691,997.80-55,079,987.10-21,554,458.60

Finding the Fourth Proportional to 36,691,997.80, 55,079,987.10 and 21,554,458.60

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Solution

The fourth proportional to 36,691,997.80, 55,079,987.10 and 21,554,458.60 is: 32,356,354.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,691,997.80 : 55,079,987.10 = 21,554,458.60 : x
  2. Step 2: Convert to fraction form
    36,691,997.80/55,079,987.10 = 21,554,458.60/x
  3. Step 3: Cross multiply
    36,691,997.80x = 55,079,987.10 × 21,554,458.60
  4. Step 4: Simplify right side
    36,691,997.80x = 1,187,219,301,635,484.25
  5. Step 5: Solve for x
    x = 1,187,219,301,635,484.25/36,691,997.80
  6. Step 6: Final answer
    x = 32,356,354.87

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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.