Home / 13,933,819.08-20,902,047.84-5,414,812.56

Finding the Fourth Proportional to 13,933,819.08, 20,902,047.84 and 5,414,812.56

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Solution

The fourth proportional to 13,933,819.08, 20,902,047.84 and 5,414,812.56 is: 8,122,731.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933,819.08 : 20,902,047.84 = 5,414,812.56 : x
  2. Step 2: Convert to fraction form
    13,933,819.08/20,902,047.84 = 5,414,812.56/x
  3. Step 3: Cross multiply
    13,933,819.08x = 20,902,047.84 × 5,414,812.56
  4. Step 4: Simplify right side
    13,933,819.08x = 113,180,671,173,752.86
  5. Step 5: Solve for x
    x = 113,180,671,173,752.86/13,933,819.08
  6. Step 6: Final answer
    x = 8,122,731.50

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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.