Home / 13,167,223-18,170,794.34-7,366,101.64

Finding the Fourth Proportional to 13,167,223, 18,170,794.34 and 7,366,101.64

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Solution

The fourth proportional to 13,167,223, 18,170,794.34 and 7,366,101.64 is: 10,165,235.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167,223 : 18,170,794.34 = 7,366,101.64 : x
  2. Step 2: Convert to fraction form
    13,167,223/18,170,794.34 = 7,366,101.64/x
  3. Step 3: Cross multiply
    13,167,223x = 18,170,794.34 × 7,366,101.64
  4. Step 4: Simplify right side
    13,167,223x = 133,847,917,987,976.70
  5. Step 5: Solve for x
    x = 133,847,917,987,976.70/13,167,223
  6. Step 6: Final answer
    x = 10,165,235.14

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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.