Home / 13,614,717.92-18,787,964.04-7,419,923.84

Finding the Fourth Proportional to 13,614,717.92, 18,787,964.04 and 7,419,923.84

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Solution

The fourth proportional to 13,614,717.92, 18,787,964.04 and 7,419,923.84 is: 10,239,305.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614,717.92 : 18,787,964.04 = 7,419,923.84 : x
  2. Step 2: Convert to fraction form
    13,614,717.92/18,787,964.04 = 7,419,923.84/x
  3. Step 3: Cross multiply
    13,614,717.92x = 18,787,964.04 × 7,419,923.84
  4. Step 4: Simplify right side
    13,614,717.92x = 139,405,262,285,458.70
  5. Step 5: Solve for x
    x = 139,405,262,285,458.70/13,614,717.92
  6. Step 6: Final answer
    x = 10,239,305.96

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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.