Home / 11,438,912.88-17,158,354.83-2,919,249.54

Finding the Fourth Proportional to 11,438,912.88, 17,158,354.83 and 2,919,249.54

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Solution

The fourth proportional to 11,438,912.88, 17,158,354.83 and 2,919,249.54 is: 4,378,870.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,438,912.88 : 17,158,354.83 = 2,919,249.54 : x
  2. Step 2: Convert to fraction form
    11,438,912.88/17,158,354.83 = 2,919,249.54/x
  3. Step 3: Cross multiply
    11,438,912.88x = 17,158,354.83 × 2,919,249.54
  4. Step 4: Simplify right side
    11,438,912.88x = 50,089,519,444,634.27
  5. Step 5: Solve for x
    x = 50,089,519,444,634.27/11,438,912.88
  6. Step 6: Final answer
    x = 4,378,870.61

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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.