Home / 15,177,315.25-20,944,757.72-8,207,992.65

Finding the Fourth Proportional to 15,177,315.25, 20,944,757.72 and 8,207,992.65

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Solution

The fourth proportional to 15,177,315.25, 20,944,757.72 and 8,207,992.65 is: 11,327,063.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177,315.25 : 20,944,757.72 = 8,207,992.65 : x
  2. Step 2: Convert to fraction form
    15,177,315.25/20,944,757.72 = 8,207,992.65/x
  3. Step 3: Cross multiply
    15,177,315.25x = 20,944,757.72 × 8,207,992.65
  4. Step 4: Simplify right side
    15,177,315.25x = 171,914,417,449,417.66
  5. Step 5: Solve for x
    x = 171,914,417,449,417.66/15,177,315.25
  6. Step 6: Final answer
    x = 11,327,063.76

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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.