Home / 36,699,220.80-55,090,821.60-21,561,681.60

Finding the Fourth Proportional to 36,699,220.80, 55,090,821.60 and 21,561,681.60

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Solution

The fourth proportional to 36,699,220.80, 55,090,821.60 and 21,561,681.60 is: 32,367,192.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699,220.80 : 55,090,821.60 = 21,561,681.60 : x
  2. Step 2: Convert to fraction form
    36,699,220.80/55,090,821.60 = 21,561,681.60/x
  3. Step 3: Cross multiply
    36,699,220.80x = 55,090,821.60 × 21,561,681.60
  4. Step 4: Simplify right side
    36,699,220.80x = 1,187,850,754,421,602.75
  5. Step 5: Solve for x
    x = 1,187,850,754,421,602.75/36,699,220.80
  6. Step 6: Final answer
    x = 32,367,192.78

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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.