Home / 8,181,378.20-12,275,682.22-4,289,906.04

Finding the Fourth Proportional to 8,181,378.20, 12,275,682.22 and 4,289,906.04

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Solution

The fourth proportional to 8,181,378.20, 12,275,682.22 and 4,289,906.04 is: 6,436,754.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,181,378.20 : 12,275,682.22 = 4,289,906.04 : x
  2. Step 2: Convert to fraction form
    8,181,378.20/12,275,682.22 = 4,289,906.04/x
  3. Step 3: Cross multiply
    8,181,378.20x = 12,275,682.22 × 4,289,906.04
  4. Step 4: Simplify right side
    8,181,378.20x = 52,661,523,300,698.61
  5. Step 5: Solve for x
    x = 52,661,523,300,698.61/8,181,378.20
  6. Step 6: Final answer
    x = 6,436,754.54

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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.