Home / 8,150,570.92-11,248,041-4,479,420.75

Finding the Fourth Proportional to 8,150,570.92, 11,248,041 and 4,479,420.75

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Solution

The fourth proportional to 8,150,570.92, 11,248,041 and 4,479,420.75 is: 6,181,739.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,150,570.92 : 11,248,041 = 4,479,420.75 : x
  2. Step 2: Convert to fraction form
    8,150,570.92/11,248,041 = 4,479,420.75/x
  3. Step 3: Cross multiply
    8,150,570.92x = 11,248,041 × 4,479,420.75
  4. Step 4: Simplify right side
    8,150,570.92x = 50,384,708,252,250.75
  5. Step 5: Solve for x
    x = 50,384,708,252,250.75/8,150,570.92
  6. Step 6: Final answer
    x = 6,181,739.75

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Double scale
Find fourth proportional to 8,150,571.92, 11,248,042.38 and 4,479,421.75
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.