Home / 8,131,489.20-11,221,806.96-4,867,672.37

Finding the Fourth Proportional to 8,131,489.20, 11,221,806.96 and 4,867,672.37

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Solution

The fourth proportional to 8,131,489.20, 11,221,806.96 and 4,867,672.37 is: 6,717,598.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131,489.20 : 11,221,806.96 = 4,867,672.37 : x
  2. Step 2: Convert to fraction form
    8,131,489.20/11,221,806.96 = 4,867,672.37/x
  3. Step 3: Cross multiply
    8,131,489.20x = 11,221,806.96 × 4,867,672.37
  4. Step 4: Simplify right side
    8,131,489.20x = 54,624,079,624,556.66
  5. Step 5: Solve for x
    x = 54,624,079,624,556.66/8,131,489.20
  6. Step 6: Final answer
    x = 6,717,598.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.