Home / 28,015,757.45-41,937,445.29-18,279,405.73

Finding the Fourth Proportional to 28,015,757.45, 41,937,445.29 and 18,279,405.73

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Solution

The fourth proportional to 28,015,757.45, 41,937,445.29 and 18,279,405.73 is: 27,362,871.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,015,757.45 : 41,937,445.29 = 18,279,405.73 : x
  2. Step 2: Convert to fraction form
    28,015,757.45/41,937,445.29 = 18,279,405.73/x
  3. Step 3: Cross multiply
    28,015,757.45x = 41,937,445.29 × 18,279,405.73
  4. Step 4: Simplify right side
    28,015,757.45x = 766,591,577,517,837.38
  5. Step 5: Solve for x
    x = 766,591,577,517,837.38/28,015,757.45
  6. Step 6: Final answer
    x = 27,362,871.73

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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.