Home / 8,305,680.80-12,462,020.40-4,521,879.20

Finding the Fourth Proportional to 8,305,680.80, 12,462,020.40 and 4,521,879.20

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Solution

The fourth proportional to 8,305,680.80, 12,462,020.40 and 4,521,879.20 is: 6,784,723.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,680.80 : 12,462,020.40 = 4,521,879.20 : x
  2. Step 2: Convert to fraction form
    8,305,680.80/12,462,020.40 = 4,521,879.20/x
  3. Step 3: Cross multiply
    8,305,680.80x = 12,462,020.40 × 4,521,879.20
  4. Step 4: Simplify right side
    8,305,680.80x = 56,351,750,836,735.69
  5. Step 5: Solve for x
    x = 56,351,750,836,735.69/8,305,680.80
  6. Step 6: Final answer
    x = 6,784,723.88

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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.