Home / 13,860,112.56-20,775,508.12-5,220,474.76

Finding the Fourth Proportional to 13,860,112.56, 20,775,508.12 and 5,220,474.76

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Solution

The fourth proportional to 13,860,112.56, 20,775,508.12 and 5,220,474.76 is: 7,825,190.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,860,112.56 : 20,775,508.12 = 5,220,474.76 : x
  2. Step 2: Convert to fraction form
    13,860,112.56/20,775,508.12 = 5,220,474.76/x
  3. Step 3: Cross multiply
    13,860,112.56x = 20,775,508.12 × 5,220,474.76
  4. Step 4: Simplify right side
    13,860,112.56x = 108,458,015,766,635.05
  5. Step 5: Solve for x
    x = 108,458,015,766,635.05/13,860,112.56
  6. Step 6: Final answer
    x = 7,825,190.11

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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.