Home / 13,874,113.17-20,810,671.38-3,638,891.79

Finding the Fourth Proportional to 13,874,113.17, 20,810,671.38 and 3,638,891.79

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Solution

The fourth proportional to 13,874,113.17, 20,810,671.38 and 3,638,891.79 is: 5,458,206.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,874,113.17 : 20,810,671.38 = 3,638,891.79 : x
  2. Step 2: Convert to fraction form
    13,874,113.17/20,810,671.38 = 3,638,891.79/x
  3. Step 3: Cross multiply
    13,874,113.17x = 20,810,671.38 × 3,638,891.79
  4. Step 4: Simplify right side
    13,874,113.17x = 75,727,781,229,069.97
  5. Step 5: Solve for x
    x = 75,727,781,229,069.97/13,874,113.17
  6. Step 6: Final answer
    x = 5,458,206.97

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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.