Home / 28,015,757.95-41,937,446.04-18,279,406.23

Finding the Fourth Proportional to 28,015,757.95, 41,937,446.04 and 18,279,406.23

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Solution

The fourth proportional to 28,015,757.95, 41,937,446.04 and 18,279,406.23 is: 27,362,872.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,015,757.95 : 41,937,446.04 = 18,279,406.23 : x
  2. Step 2: Convert to fraction form
    28,015,757.95/41,937,446.04 = 18,279,406.23/x
  3. Step 3: Cross multiply
    28,015,757.95x = 41,937,446.04 × 18,279,406.23
  4. Step 4: Simplify right side
    28,015,757.95x = 766,591,612,112,780.62
  5. Step 5: Solve for x
    x = 766,591,612,112,780.62/28,015,757.95
  6. Step 6: Final answer
    x = 27,362,872.48

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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.