Home / 8,463,715.23-12,691,571.30-3,278,753.36

Finding the Fourth Proportional to 8,463,715.23, 12,691,571.30 and 3,278,753.36

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Solution

The fourth proportional to 8,463,715.23, 12,691,571.30 and 3,278,753.36 is: 4,916,579.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463,715.23 : 12,691,571.30 = 3,278,753.36 : x
  2. Step 2: Convert to fraction form
    8,463,715.23/12,691,571.30 = 3,278,753.36/x
  3. Step 3: Cross multiply
    8,463,715.23x = 12,691,571.30 × 3,278,753.36
  4. Step 4: Simplify right side
    8,463,715.23x = 41,612,531,963,702.95
  5. Step 5: Solve for x
    x = 41,612,531,963,702.95/8,463,715.23
  6. Step 6: Final answer
    x = 4,916,579.87

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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.