Home / 8,278,481.80-12,431,892.30-4,499,345.80

Finding the Fourth Proportional to 8,278,481.80, 12,431,892.30 and 4,499,345.80

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Solution

The fourth proportional to 8,278,481.80, 12,431,892.30 and 4,499,345.80 is: 6,756,719.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278,481.80 : 12,431,892.30 = 4,499,345.80 : x
  2. Step 2: Convert to fraction form
    8,278,481.80/12,431,892.30 = 4,499,345.80/x
  3. Step 3: Cross multiply
    8,278,481.80x = 12,431,892.30 × 4,499,345.80
  4. Step 4: Simplify right side
    8,278,481.80x = 55,935,382,406,057.34
  5. Step 5: Solve for x
    x = 55,935,382,406,057.34/8,278,481.80
  6. Step 6: Final answer
    x = 6,756,719.86

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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.