Home / 8,876,840.12-12,203,014.70-7,631,863.94

Finding the Fourth Proportional to 8,876,840.12, 12,203,014.70 and 7,631,863.94

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Solution

The fourth proportional to 8,876,840.12, 12,203,014.70 and 7,631,863.94 is: 10,491,542.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876,840.12 : 12,203,014.70 = 7,631,863.94 : x
  2. Step 2: Convert to fraction form
    8,876,840.12/12,203,014.70 = 7,631,863.94/x
  3. Step 3: Cross multiply
    8,876,840.12x = 12,203,014.70 × 7,631,863.94
  4. Step 4: Simplify right side
    8,876,840.12x = 93,131,747,897,807.12
  5. Step 5: Solve for x
    x = 93,131,747,897,807.12/8,876,840.12
  6. Step 6: Final answer
    x = 10,491,542.78

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.