Home / 40,090,486.26-55,324,871.46-21,755,771.76

Finding the Fourth Proportional to 40,090,486.26, 55,324,871.46 and 21,755,771.76

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Solution

The fourth proportional to 40,090,486.26, 55,324,871.46 and 21,755,771.76 is: 30,022,965.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,090,486.26 : 55,324,871.46 = 21,755,771.76 : x
  2. Step 2: Convert to fraction form
    40,090,486.26/55,324,871.46 = 21,755,771.76/x
  3. Step 3: Cross multiply
    40,090,486.26x = 55,324,871.46 × 21,755,771.76
  4. Step 4: Simplify right side
    40,090,486.26x = 1,203,635,276,135,098
  5. Step 5: Solve for x
    x = 1,203,635,276,135,098/40,090,486.26
  6. Step 6: Final answer
    x = 30,022,965.26

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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.