Home / 12,507,584.32-18,761,179.37-3,987,863.38

Finding the Fourth Proportional to 12,507,584.32, 18,761,179.37 and 3,987,863.38

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Solution

The fourth proportional to 12,507,584.32, 18,761,179.37 and 3,987,863.38 is: 5,981,732.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,507,584.32 : 18,761,179.37 = 3,987,863.38 : x
  2. Step 2: Convert to fraction form
    12,507,584.32/18,761,179.37 = 3,987,863.38/x
  3. Step 3: Cross multiply
    12,507,584.32x = 18,761,179.37 × 3,987,863.38
  4. Step 4: Simplify right side
    12,507,584.32x = 74,817,020,175,234.47
  5. Step 5: Solve for x
    x = 74,817,020,175,234.47/12,507,584.32
  6. Step 6: Final answer
    x = 5,981,732.22

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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.