Home / 40,090,693.25-55,325,192.18-21,755,978.75

Finding the Fourth Proportional to 40,090,693.25, 55,325,192.18 and 21,755,978.75

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Solution

The fourth proportional to 40,090,693.25, 55,325,192.18 and 21,755,978.75 is: 30,023,269.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,090,693.25 : 55,325,192.18 = 21,755,978.75 : x
  2. Step 2: Convert to fraction form
    40,090,693.25/55,325,192.18 = 21,755,978.75/x
  3. Step 3: Cross multiply
    40,090,693.25x = 55,325,192.18 × 21,755,978.75
  4. Step 4: Simplify right side
    40,090,693.25x = 1,203,653,705,022,340.25
  5. Step 5: Solve for x
    x = 1,203,653,705,022,340.25/40,090,693.25
  6. Step 6: Final answer
    x = 30,023,269.93

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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.