Home / 7,806,835.56-11,707,340.96-2,687,819.42

Finding the Fourth Proportional to 7,806,835.56, 11,707,340.96 and 2,687,819.42

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Solution

The fourth proportional to 7,806,835.56, 11,707,340.96 and 2,687,819.42 is: 4,030,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,806,835.56 : 11,707,340.96 = 2,687,819.42 : x
  2. Step 2: Convert to fraction form
    7,806,835.56/11,707,340.96 = 2,687,819.42/x
  3. Step 3: Cross multiply
    7,806,835.56x = 11,707,340.96 × 2,687,819.42
  4. Step 4: Simplify right side
    7,806,835.56x = 31,467,218,388,849.45
  5. Step 5: Solve for x
    x = 31,467,218,388,849.45/7,806,835.56
  6. Step 6: Final answer
    x = 4,030,726.43

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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.