Home / 36,699,016.80-55,090,515.60-21,561,477.60

Finding the Fourth Proportional to 36,699,016.80, 55,090,515.60 and 21,561,477.60

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Solution

The fourth proportional to 36,699,016.80, 55,090,515.60 and 21,561,477.60 is: 32,366,886.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699,016.80 : 55,090,515.60 = 21,561,477.60 : x
  2. Step 2: Convert to fraction form
    36,699,016.80/55,090,515.60 = 21,561,477.60/x
  3. Step 3: Cross multiply
    36,699,016.80x = 55,090,515.60 × 21,561,477.60
  4. Step 4: Simplify right side
    36,699,016.80x = 1,187,832,918,081,850.75
  5. Step 5: Solve for x
    x = 1,187,832,918,081,850.75/36,699,016.80
  6. Step 6: Final answer
    x = 32,366,886.68

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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.