Home / 15,125,811.69-20,873,620.17-8,250,293.76

Finding the Fourth Proportional to 15,125,811.69, 20,873,620.17 and 8,250,293.76

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Solution

The fourth proportional to 15,125,811.69, 20,873,620.17 and 8,250,293.76 is: 11,385,405.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,125,811.69 : 20,873,620.17 = 8,250,293.76 : x
  2. Step 2: Convert to fraction form
    15,125,811.69/20,873,620.17 = 8,250,293.76/x
  3. Step 3: Cross multiply
    15,125,811.69x = 20,873,620.17 × 8,250,293.76
  4. Step 4: Simplify right side
    15,125,811.69x = 172,213,498,237,161.16
  5. Step 5: Solve for x
    x = 172,213,498,237,161.16/15,125,811.69
  6. Step 6: Final answer
    x = 11,385,405.41

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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.