Home / 40,034,361.97-55,247,500.49-21,699,659.89

Finding the Fourth Proportional to 40,034,361.97, 55,247,500.49 and 21,699,659.89

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Solution

The fourth proportional to 40,034,361.97, 55,247,500.49 and 21,699,659.89 is: 29,945,574.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,034,361.97 : 55,247,500.49 = 21,699,659.89 : x
  2. Step 2: Convert to fraction form
    40,034,361.97/55,247,500.49 = 21,699,659.89/x
  3. Step 3: Cross multiply
    40,034,361.97x = 55,247,500.49 × 21,699,659.89
  4. Step 4: Simplify right side
    40,034,361.97x = 1,198,851,970,405,608.50
  5. Step 5: Solve for x
    x = 1,198,851,970,405,608.50/40,034,361.97
  6. Step 6: Final answer
    x = 29,945,574.54

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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.