Home / 6,689,107-9,231,136.16-3,633,320.44

Finding the Fourth Proportional to 6,689,107, 9,231,136.16 and 3,633,320.44

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Solution

The fourth proportional to 6,689,107, 9,231,136.16 and 3,633,320.44 is: 5,014,073.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,689,107 : 9,231,136.16 = 3,633,320.44 : x
  2. Step 2: Convert to fraction form
    6,689,107/9,231,136.16 = 3,633,320.44/x
  3. Step 3: Cross multiply
    6,689,107x = 9,231,136.16 × 3,633,320.44
  4. Step 4: Simplify right side
    6,689,107x = 33,539,675,694,551.11
  5. Step 5: Solve for x
    x = 33,539,675,694,551.11/6,689,107
  6. Step 6: Final answer
    x = 5,014,073.73

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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.