Home / 13,567,920-20,361,211.20-5,589,744

Finding the Fourth Proportional to 13,567,920, 20,361,211.20 and 5,589,744

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Solution

The fourth proportional to 13,567,920, 20,361,211.20 and 5,589,744 is: 8,388,460.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,567,920 : 20,361,211.20 = 5,589,744 : x
  2. Step 2: Convert to fraction form
    13,567,920/20,361,211.20 = 5,589,744/x
  3. Step 3: Cross multiply
    13,567,920x = 20,361,211.20 × 5,589,744
  4. Step 4: Simplify right side
    13,567,920x = 113,813,958,137,932.80
  5. Step 5: Solve for x
    x = 113,813,958,137,932.80/13,567,920
  6. Step 6: Final answer
    x = 8,388,460.29

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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.