Home / 13,826,175.26-19,074,800.22-8,660,543.90

Finding the Fourth Proportional to 13,826,175.26, 19,074,800.22 and 8,660,543.90

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Solution

The fourth proportional to 13,826,175.26, 19,074,800.22 and 8,660,543.90 is: 11,948,217.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826,175.26 : 19,074,800.22 = 8,660,543.90 : x
  2. Step 2: Convert to fraction form
    13,826,175.26/19,074,800.22 = 8,660,543.90/x
  3. Step 3: Cross multiply
    13,826,175.26x = 19,074,800.22 × 8,660,543.90
  4. Step 4: Simplify right side
    13,826,175.26x = 165,198,144,689,039.66
  5. Step 5: Solve for x
    x = 165,198,144,689,039.66/13,826,175.26
  6. Step 6: Final answer
    x = 11,948,217.17

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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.