Home / 8,199,287.80-12,298,931.70-5,511,902.20

Finding the Fourth Proportional to 8,199,287.80, 12,298,931.70 and 5,511,902.20

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Solution

The fourth proportional to 8,199,287.80, 12,298,931.70 and 5,511,902.20 is: 8,267,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199,287.80 : 12,298,931.70 = 5,511,902.20 : x
  2. Step 2: Convert to fraction form
    8,199,287.80/12,298,931.70 = 5,511,902.20/x
  3. Step 3: Cross multiply
    8,199,287.80x = 12,298,931.70 × 5,511,902.20
  4. Step 4: Simplify right side
    8,199,287.80x = 67,790,508,694,879.73
  5. Step 5: Solve for x
    x = 67,790,508,694,879.73/8,199,287.80
  6. Step 6: Final answer
    x = 8,267,853.30

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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.