Home / 10,340,990.46-15,496,966.65-8,172,481.53

Finding the Fourth Proportional to 10,340,990.46, 15,496,966.65 and 8,172,481.53

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Solution

The fourth proportional to 10,340,990.46, 15,496,966.65 and 8,172,481.53 is: 12,247,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,340,990.46 : 15,496,966.65 = 8,172,481.53 : x
  2. Step 2: Convert to fraction form
    10,340,990.46/15,496,966.65 = 8,172,481.53/x
  3. Step 3: Cross multiply
    10,340,990.46x = 15,496,966.65 × 8,172,481.53
  4. Step 4: Simplify right side
    10,340,990.46x = 126,648,673,718,150.98
  5. Step 5: Solve for x
    x = 126,648,673,718,150.98/10,340,990.46
  6. Step 6: Final answer
    x = 12,247,247.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.