Home / 12,626,968.45-18,940,805.56-4,107,304.95

Finding the Fourth Proportional to 12,626,968.45, 18,940,805.56 and 4,107,304.95

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Solution

The fourth proportional to 12,626,968.45, 18,940,805.56 and 4,107,304.95 is: 6,161,072.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,626,968.45 : 18,940,805.56 = 4,107,304.95 : x
  2. Step 2: Convert to fraction form
    12,626,968.45/18,940,805.56 = 4,107,304.95/x
  3. Step 3: Cross multiply
    12,626,968.45x = 18,940,805.56 × 4,107,304.95
  4. Step 4: Simplify right side
    12,626,968.45x = 77,795,664,375,955.25
  5. Step 5: Solve for x
    x = 77,795,664,375,955.25/12,626,968.45
  6. Step 6: Final answer
    x = 6,161,072.21

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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.