Home / 13,991,431.44-20,987,898.03-4,407,560.04

Finding the Fourth Proportional to 13,991,431.44, 20,987,898.03 and 4,407,560.04

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Solution

The fourth proportional to 13,991,431.44, 20,987,898.03 and 4,407,560.04 is: 6,611,576.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,991,431.44 : 20,987,898.03 = 4,407,560.04 : x
  2. Step 2: Convert to fraction form
    13,991,431.44/20,987,898.03 = 4,407,560.04/x
  3. Step 3: Cross multiply
    13,991,431.44x = 20,987,898.03 × 4,407,560.04
  4. Step 4: Simplify right side
    13,991,431.44x = 92,505,420,680,622.73
  5. Step 5: Solve for x
    x = 92,505,420,680,622.73/13,991,431.44
  6. Step 6: Final answer
    x = 6,611,576.60

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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.