Home / 8,179,613.70-12,269,420.55-5,451,549.90

Finding the Fourth Proportional to 8,179,613.70, 12,269,420.55 and 5,451,549.90

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Solution

The fourth proportional to 8,179,613.70, 12,269,420.55 and 5,451,549.90 is: 8,177,324.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179,613.70 : 12,269,420.55 = 5,451,549.90 : x
  2. Step 2: Convert to fraction form
    8,179,613.70/12,269,420.55 = 5,451,549.90/x
  3. Step 3: Cross multiply
    8,179,613.70x = 12,269,420.55 × 5,451,549.90
  4. Step 4: Simplify right side
    8,179,613.70x = 66,887,358,372,410.45
  5. Step 5: Solve for x
    x = 66,887,358,372,410.45/8,179,613.70
  6. Step 6: Final answer
    x = 8,177,324.85

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1.5x scale

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.