Home / 13,998,116.70-20,992,634.10-5,361,757.58

Finding the Fourth Proportional to 13,998,116.70, 20,992,634.10 and 5,361,757.58

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Solution

The fourth proportional to 13,998,116.70, 20,992,634.10 and 5,361,757.58 is: 8,040,897.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,998,116.70 : 20,992,634.10 = 5,361,757.58 : x
  2. Step 2: Convert to fraction form
    13,998,116.70/20,992,634.10 = 5,361,757.58/x
  3. Step 3: Cross multiply
    13,998,116.70x = 20,992,634.10 × 5,361,757.58
  4. Step 4: Simplify right side
    13,998,116.70x = 112,557,414,904,878.31
  5. Step 5: Solve for x
    x = 112,557,414,904,878.31/13,998,116.70
  6. Step 6: Final answer
    x = 8,040,897.02

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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.