Home / 18,085,042.80-27,131,063.40-5,305,964.40

Finding the Fourth Proportional to 18,085,042.80, 27,131,063.40 and 5,305,964.40

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Solution

The fourth proportional to 18,085,042.80, 27,131,063.40 and 5,305,964.40 is: 7,959,973.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085,042.80 : 27,131,063.40 = 5,305,964.40 : x
  2. Step 2: Convert to fraction form
    18,085,042.80/27,131,063.40 = 5,305,964.40/x
  3. Step 3: Cross multiply
    18,085,042.80x = 27,131,063.40 × 5,305,964.40
  4. Step 4: Simplify right side
    18,085,042.80x = 143,956,456,534,542.97
  5. Step 5: Solve for x
    x = 143,956,456,534,542.97/18,085,042.80
  6. Step 6: Final answer
    x = 7,959,973.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.