Home / 18,972,027.54-28,458,080.19-8,881,734.42

Finding the Fourth Proportional to 18,972,027.54, 28,458,080.19 and 8,881,734.42

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Solution

The fourth proportional to 18,972,027.54, 28,458,080.19 and 8,881,734.42 is: 13,322,619.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,972,027.54 : 28,458,080.19 = 8,881,734.42 : x
  2. Step 2: Convert to fraction form
    18,972,027.54/28,458,080.19 = 8,881,734.42/x
  3. Step 3: Cross multiply
    18,972,027.54x = 28,458,080.19 × 8,881,734.42
  4. Step 4: Simplify right side
    18,972,027.54x = 252,757,110,350,643.16
  5. Step 5: Solve for x
    x = 252,757,110,350,643.16/18,972,027.54
  6. Step 6: Final answer
    x = 13,322,619.83

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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.