Home / 31,435,014.60-43,375,175.94-18,199,476.48

Finding the Fourth Proportional to 31,435,014.60, 43,375,175.94 and 18,199,476.48

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Solution

The fourth proportional to 31,435,014.60, 43,375,175.94 and 18,199,476.48 is: 25,112,299.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,435,014.60 : 43,375,175.94 = 18,199,476.48 : x
  2. Step 2: Convert to fraction form
    31,435,014.60/43,375,175.94 = 18,199,476.48/x
  3. Step 3: Cross multiply
    31,435,014.60x = 43,375,175.94 × 18,199,476.48
  4. Step 4: Simplify right side
    31,435,014.60x = 789,405,494,335,891.88
  5. Step 5: Solve for x
    x = 789,405,494,335,891.88/31,435,014.60
  6. Step 6: Final answer
    x = 25,112,299.27

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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.