Home / 11,876,972.32-17,806,734-3,785,291.68

Finding the Fourth Proportional to 11,876,972.32, 17,806,734 and 3,785,291.68

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Solution

The fourth proportional to 11,876,972.32, 17,806,734 and 3,785,291.68 is: 5,675,156.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876,972.32 : 17,806,734 = 3,785,291.68 : x
  2. Step 2: Convert to fraction form
    11,876,972.32/17,806,734 = 3,785,291.68/x
  3. Step 3: Cross multiply
    11,876,972.32x = 17,806,734 × 3,785,291.68
  4. Step 4: Simplify right side
    11,876,972.32x = 67,403,682,058,173.12
  5. Step 5: Solve for x
    x = 67,403,682,058,173.12/11,876,972.32
  6. Step 6: Final answer
    x = 5,675,156.95

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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.