Home / 36,291,221.60-54,436,832.40-18,151,368.80

Finding the Fourth Proportional to 36,291,221.60, 54,436,832.40 and 18,151,368.80

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Solution

The fourth proportional to 36,291,221.60, 54,436,832.40 and 18,151,368.80 is: 27,227,053.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,291,221.60 : 54,436,832.40 = 18,151,368.80 : x
  2. Step 2: Convert to fraction form
    36,291,221.60/54,436,832.40 = 18,151,368.80/x
  3. Step 3: Cross multiply
    36,291,221.60x = 54,436,832.40 × 18,151,368.80
  4. Step 4: Simplify right side
    36,291,221.60x = 988,103,021,196,189.12
  5. Step 5: Solve for x
    x = 988,103,021,196,189.12/36,291,221.60
  6. Step 6: Final answer
    x = 27,227,053.20

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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.