Home / 7,231,403.88-9,979,309.86-3,968,272.68

Finding the Fourth Proportional to 7,231,403.88, 9,979,309.86 and 3,968,272.68

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Solution

The fourth proportional to 7,231,403.88, 9,979,309.86 and 3,968,272.68 is: 5,476,201.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,231,403.88 : 9,979,309.86 = 3,968,272.68 : x
  2. Step 2: Convert to fraction form
    7,231,403.88/9,979,309.86 = 3,968,272.68/x
  3. Step 3: Cross multiply
    7,231,403.88x = 9,979,309.86 × 3,968,272.68
  4. Step 4: Simplify right side
    7,231,403.88x = 39,600,622,682,692.62
  5. Step 5: Solve for x
    x = 39,600,622,682,692.62/7,231,403.88
  6. Step 6: Final answer
    x = 5,476,201.21

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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.