Home / 8,179,621.80-12,269,432.70-3,396,652.80

Finding the Fourth Proportional to 8,179,621.80, 12,269,432.70 and 3,396,652.80

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Solution

The fourth proportional to 8,179,621.80, 12,269,432.70 and 3,396,652.80 is: 5,094,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179,621.80 : 12,269,432.70 = 3,396,652.80 : x
  2. Step 2: Convert to fraction form
    8,179,621.80/12,269,432.70 = 3,396,652.80/x
  3. Step 3: Cross multiply
    8,179,621.80x = 12,269,432.70 × 3,396,652.80
  4. Step 4: Simplify right side
    8,179,621.80x = 41,675,002,934,866.55
  5. Step 5: Solve for x
    x = 41,675,002,934,866.55/8,179,621.80
  6. Step 6: Final answer
    x = 5,094,979.20

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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.