Home / 12,491,006.88-17,235,339.06-6,984,490.80

Finding the Fourth Proportional to 12,491,006.88, 17,235,339.06 and 6,984,490.80

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Solution

The fourth proportional to 12,491,006.88, 17,235,339.06 and 6,984,490.80 is: 9,637,338.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,491,006.88 : 17,235,339.06 = 6,984,490.80 : x
  2. Step 2: Convert to fraction form
    12,491,006.88/17,235,339.06 = 6,984,490.80/x
  3. Step 3: Cross multiply
    12,491,006.88x = 17,235,339.06 × 6,984,490.80
  4. Step 4: Simplify right side
    12,491,006.88x = 120,380,067,099,450.64
  5. Step 5: Solve for x
    x = 120,380,067,099,450.64/12,491,006.88
  6. Step 6: Final answer
    x = 9,637,338.95

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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.