Home / 13,100,998.12-18,079,448.92-7,597,635.76

Finding the Fourth Proportional to 13,100,998.12, 18,079,448.92 and 7,597,635.76

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Solution

The fourth proportional to 13,100,998.12, 18,079,448.92 and 7,597,635.76 is: 10,484,778.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,100,998.12 : 18,079,448.92 = 7,597,635.76 : x
  2. Step 2: Convert to fraction form
    13,100,998.12/18,079,448.92 = 7,597,635.76/x
  3. Step 3: Cross multiply
    13,100,998.12x = 18,079,448.92 × 7,597,635.76
  4. Step 4: Simplify right side
    13,100,998.12x = 137,361,067,635,685.39
  5. Step 5: Solve for x
    x = 137,361,067,635,685.39/13,100,998.12
  6. Step 6: Final answer
    x = 10,484,778.82

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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.