Home / 12,101,629.82-16,700,249.48-6,669,121.82

Finding the Fourth Proportional to 12,101,629.82, 16,700,249.48 and 6,669,121.82

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Solution

The fourth proportional to 12,101,629.82, 16,700,249.48 and 6,669,121.82 is: 9,203,388.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,629.82 : 16,700,249.48 = 6,669,121.82 : x
  2. Step 2: Convert to fraction form
    12,101,629.82/16,700,249.48 = 6,669,121.82/x
  3. Step 3: Cross multiply
    12,101,629.82x = 16,700,249.48 × 6,669,121.82
  4. Step 4: Simplify right side
    12,101,629.82x = 111,375,998,206,511.66
  5. Step 5: Solve for x
    x = 111,375,998,206,511.66/12,101,629.82
  6. Step 6: Final answer
    x = 9,203,388.29

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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.