Home / 8,293,493.52-12,431,973.34-3,967,563.78

Finding the Fourth Proportional to 8,293,493.52, 12,431,973.34 and 3,967,563.78

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Solution

The fourth proportional to 8,293,493.52, 12,431,973.34 and 3,967,563.78 is: 5,947,390.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,293,493.52 : 12,431,973.34 = 3,967,563.78 : x
  2. Step 2: Convert to fraction form
    8,293,493.52/12,431,973.34 = 3,967,563.78/x
  3. Step 3: Cross multiply
    8,293,493.52x = 12,431,973.34 × 3,967,563.78
  4. Step 4: Simplify right side
    8,293,493.52x = 49,324,647,137,709.62
  5. Step 5: Solve for x
    x = 49,324,647,137,709.62/8,293,493.52
  6. Step 6: Final answer
    x = 5,947,390.81

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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.