Home / 12,543,733.80-18,802,891.80-8,500,626.90

Finding the Fourth Proportional to 12,543,733.80, 18,802,891.80 and 8,500,626.90

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Solution

The fourth proportional to 12,543,733.80, 18,802,891.80 and 8,500,626.90 is: 12,742,327.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,543,733.80 : 18,802,891.80 = 8,500,626.90 : x
  2. Step 2: Convert to fraction form
    12,543,733.80/18,802,891.80 = 8,500,626.90/x
  3. Step 3: Cross multiply
    12,543,733.80x = 18,802,891.80 × 8,500,626.90
  4. Step 4: Simplify right side
    12,543,733.80x = 159,836,367,832,869.44
  5. Step 5: Solve for x
    x = 159,836,367,832,869.44/12,543,733.80
  6. Step 6: Final answer
    x = 12,742,327.79

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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.