Home / 31,206,433.88-43,054,448.75-18,150,921.41

Finding the Fourth Proportional to 31,206,433.88, 43,054,448.75 and 18,150,921.41

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Solution

The fourth proportional to 31,206,433.88, 43,054,448.75 and 18,150,921.41 is: 25,042,205.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,206,433.88 : 43,054,448.75 = 18,150,921.41 : x
  2. Step 2: Convert to fraction form
    31,206,433.88/43,054,448.75 = 18,150,921.41/x
  3. Step 3: Cross multiply
    31,206,433.88x = 43,054,448.75 × 18,150,921.41
  4. Step 4: Simplify right side
    31,206,433.88x = 781,477,915,629,004.25
  5. Step 5: Solve for x
    x = 781,477,915,629,004.25/31,206,433.88
  6. Step 6: Final answer
    x = 25,042,205.03

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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.