Home / 13,726,243.86-18,942,158.79-7,614,672.36

Finding the Fourth Proportional to 13,726,243.86, 18,942,158.79 and 7,614,672.36

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Solution

The fourth proportional to 13,726,243.86, 18,942,158.79 and 7,614,672.36 is: 10,508,215.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726,243.86 : 18,942,158.79 = 7,614,672.36 : x
  2. Step 2: Convert to fraction form
    13,726,243.86/18,942,158.79 = 7,614,672.36/x
  3. Step 3: Cross multiply
    13,726,243.86x = 18,942,158.79 × 7,614,672.36
  4. Step 4: Simplify right side
    13,726,243.86x = 144,238,332,976,944.03
  5. Step 5: Solve for x
    x = 144,238,332,976,944.03/13,726,243.86
  6. Step 6: Final answer
    x = 10,508,215.83

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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.