Home / 13,902,709.20-20,841,622.20-5,380,213.20

Finding the Fourth Proportional to 13,902,709.20, 20,841,622.20 and 5,380,213.20

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Solution

The fourth proportional to 13,902,709.20, 20,841,622.20 and 5,380,213.20 is: 8,065,505.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902,709.20 : 20,841,622.20 = 5,380,213.20 : x
  2. Step 2: Convert to fraction form
    13,902,709.20/20,841,622.20 = 5,380,213.20/x
  3. Step 3: Cross multiply
    13,902,709.20x = 20,841,622.20 × 5,380,213.20
  4. Step 4: Simplify right side
    13,902,709.20x = 112,132,370,869,853.05
  5. Step 5: Solve for x
    x = 112,132,370,869,853.05/13,902,709.20
  6. Step 6: Final answer
    x = 8,065,505.02

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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.