Home / 12,449,530-17,194,523.16-8,368,063.12

Finding the Fourth Proportional to 12,449,530, 17,194,523.16 and 8,368,063.12

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Solution

The fourth proportional to 12,449,530, 17,194,523.16 and 8,368,063.12 is: 11,557,452.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449,530 : 17,194,523.16 = 8,368,063.12 : x
  2. Step 2: Convert to fraction form
    12,449,530/17,194,523.16 = 8,368,063.12/x
  3. Step 3: Cross multiply
    12,449,530x = 17,194,523.16 × 8,368,063.12
  4. Step 4: Simplify right side
    12,449,530x = 143,884,855,121,181.88
  5. Step 5: Solve for x
    x = 143,884,855,121,181.88/12,449,530
  6. Step 6: Final answer
    x = 11,557,452.78

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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.