Home / 12,713,444.80-17,540,584.80-7,279,936.96

Finding the Fourth Proportional to 12,713,444.80, 17,540,584.80 and 7,279,936.96

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Solution

The fourth proportional to 12,713,444.80, 17,540,584.80 and 7,279,936.96 is: 10,044,040.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,713,444.80 : 17,540,584.80 = 7,279,936.96 : x
  2. Step 2: Convert to fraction form
    12,713,444.80/17,540,584.80 = 7,279,936.96/x
  3. Step 3: Cross multiply
    12,713,444.80x = 17,540,584.80 × 7,279,936.96
  4. Step 4: Simplify right side
    12,713,444.80x = 127,694,351,585,534.22
  5. Step 5: Solve for x
    x = 127,694,351,585,534.22/12,713,444.80
  6. Step 6: Final answer
    x = 10,044,040.27

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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.