Home / 7,981,454.85-11,969,659.68-2,863,770.36

Finding the Fourth Proportional to 7,981,454.85, 11,969,659.68 and 2,863,770.36

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Solution

The fourth proportional to 7,981,454.85, 11,969,659.68 and 2,863,770.36 is: 4,294,750.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981,454.85 : 11,969,659.68 = 2,863,770.36 : x
  2. Step 2: Convert to fraction form
    7,981,454.85/11,969,659.68 = 2,863,770.36/x
  3. Step 3: Cross multiply
    7,981,454.85x = 11,969,659.68 × 2,863,770.36
  4. Step 4: Simplify right side
    7,981,454.85x = 34,278,356,610,871.08
  5. Step 5: Solve for x
    x = 34,278,356,610,871.08/7,981,454.85
  6. Step 6: Final answer
    x = 4,294,750.43

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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.