Home / 8,321,382.80-12,482,765.40-2,641,446.80

Finding the Fourth Proportional to 8,321,382.80, 12,482,765.40 and 2,641,446.80

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Solution

The fourth proportional to 8,321,382.80, 12,482,765.40 and 2,641,446.80 is: 3,962,389.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,382.80 : 12,482,765.40 = 2,641,446.80 : x
  2. Step 2: Convert to fraction form
    8,321,382.80/12,482,765.40 = 2,641,446.80/x
  3. Step 3: Cross multiply
    8,321,382.80x = 12,482,765.40 × 2,641,446.80
  4. Step 4: Simplify right side
    8,321,382.80x = 32,972,560,720,980.72
  5. Step 5: Solve for x
    x = 32,972,560,720,980.72/8,321,382.80
  6. Step 6: Final answer
    x = 3,962,389.61

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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.