Home / 13,449,131.13-20,171,531.34-3,862,329.15

Finding the Fourth Proportional to 13,449,131.13, 20,171,531.34 and 3,862,329.15

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Solution

The fourth proportional to 13,449,131.13, 20,171,531.34 and 3,862,329.15 is: 5,792,871.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,449,131.13 : 20,171,531.34 = 3,862,329.15 : x
  2. Step 2: Convert to fraction form
    13,449,131.13/20,171,531.34 = 3,862,329.15/x
  3. Step 3: Cross multiply
    13,449,131.13x = 20,171,531.34 × 3,862,329.15
  4. Step 4: Simplify right side
    13,449,131.13x = 77,909,093,494,620.56
  5. Step 5: Solve for x
    x = 77,909,093,494,620.56/13,449,131.13
  6. Step 6: Final answer
    x = 5,792,871.88

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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.