Home / 12,544,553.12-17,279,228.15-8,867,147.45

Finding the Fourth Proportional to 12,544,553.12, 17,279,228.15 and 8,867,147.45

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Solution

The fourth proportional to 12,544,553.12, 17,279,228.15 and 8,867,147.45 is: 12,213,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544,553.12 : 17,279,228.15 = 8,867,147.45 : x
  2. Step 2: Convert to fraction form
    12,544,553.12/17,279,228.15 = 8,867,147.45/x
  3. Step 3: Cross multiply
    12,544,553.12x = 17,279,228.15 × 8,867,147.45
  4. Step 4: Simplify right side
    12,544,553.12x = 153,217,463,697,508.84
  5. Step 5: Solve for x
    x = 153,217,463,697,508.84/12,544,553.12
  6. Step 6: Final answer
    x = 12,213,863.84

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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.