Home / 12,449,529-17,194,521.78-8,368,062.12

Finding the Fourth Proportional to 12,449,529, 17,194,521.78 and 8,368,062.12

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Solution

The fourth proportional to 12,449,529, 17,194,521.78 and 8,368,062.12 is: 11,557,451.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,449,529 : 17,194,521.78 = 8,368,062.12 : x
  2. Step 2: Convert to fraction form
    12,449,529/17,194,521.78 = 8,368,062.12/x
  3. Step 3: Cross multiply
    12,449,529x = 17,194,521.78 × 8,368,062.12
  4. Step 4: Simplify right side
    12,449,529x = 143,884,826,378,733
  5. Step 5: Solve for x
    x = 143,884,826,378,733/12,449,529
  6. Step 6: Final answer
    x = 11,557,451.40

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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.