Home / 40,090,691.75-55,325,190.11-21,755,977.25

Finding the Fourth Proportional to 40,090,691.75, 55,325,190.11 and 21,755,977.25

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Solution

The fourth proportional to 40,090,691.75, 55,325,190.11 and 21,755,977.25 is: 30,023,267.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,090,691.75 : 55,325,190.11 = 21,755,977.25 : x
  2. Step 2: Convert to fraction form
    40,090,691.75/55,325,190.11 = 21,755,977.25/x
  3. Step 3: Cross multiply
    40,090,691.75x = 55,325,190.11 × 21,755,977.25
  4. Step 4: Simplify right side
    40,090,691.75x = 1,203,653,576,999,679.25
  5. Step 5: Solve for x
    x = 1,203,653,576,999,679.25/40,090,691.75
  6. Step 6: Final answer
    x = 30,023,267.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.