Home / 8,845,542.31-12,206,823.41-4,978,063.49

Finding the Fourth Proportional to 8,845,542.31, 12,206,823.41 and 4,978,063.49

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Solution

The fourth proportional to 8,845,542.31, 12,206,823.41 and 4,978,063.49 is: 6,869,713.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845,542.31 : 12,206,823.41 = 4,978,063.49 : x
  2. Step 2: Convert to fraction form
    8,845,542.31/12,206,823.41 = 4,978,063.49/x
  3. Step 3: Cross multiply
    8,845,542.31x = 12,206,823.41 × 4,978,063.49
  4. Step 4: Simplify right side
    8,845,542.31x = 60,766,341,946,198.30
  5. Step 5: Solve for x
    x = 60,766,341,946,198.30/8,845,542.31
  6. Step 6: Final answer
    x = 6,869,713.56

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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.