Home / 8,344,305.78-12,512,535.03-3,229,144.57

Finding the Fourth Proportional to 8,344,305.78, 12,512,535.03 and 3,229,144.57

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Solution

The fourth proportional to 8,344,305.78, 12,512,535.03 and 3,229,144.57 is: 4,842,198.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,344,305.78 : 12,512,535.03 = 3,229,144.57 : x
  2. Step 2: Convert to fraction form
    8,344,305.78/12,512,535.03 = 3,229,144.57/x
  3. Step 3: Cross multiply
    8,344,305.78x = 12,512,535.03 × 3,229,144.57
  4. Step 4: Simplify right side
    8,344,305.78x = 40,404,784,549,059.28
  5. Step 5: Solve for x
    x = 40,404,784,549,059.28/8,344,305.78
  6. Step 6: Final answer
    x = 4,842,198.45

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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.