Home / 13,322,198.43-18,382,677.03-7,441,108.11

Finding the Fourth Proportional to 13,322,198.43, 18,382,677.03 and 7,441,108.11

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Solution

The fourth proportional to 13,322,198.43, 18,382,677.03 and 7,441,108.11 is: 10,267,636.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322,198.43 : 18,382,677.03 = 7,441,108.11 : x
  2. Step 2: Convert to fraction form
    13,322,198.43/18,382,677.03 = 7,441,108.11/x
  3. Step 3: Cross multiply
    13,322,198.43x = 18,382,677.03 × 7,441,108.11
  4. Step 4: Simplify right side
    13,322,198.43x = 136,787,487,131,443.73
  5. Step 5: Solve for x
    x = 136,787,487,131,443.73/13,322,198.43
  6. Step 6: Final answer
    x = 10,267,636.22

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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.