Home / 13,524,694.52-18,665,991.78-8,369,716.28

Finding the Fourth Proportional to 13,524,694.52, 18,665,991.78 and 8,369,716.28

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Solution

The fourth proportional to 13,524,694.52, 18,665,991.78 and 8,369,716.28 is: 11,551,392.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524,694.52 : 18,665,991.78 = 8,369,716.28 : x
  2. Step 2: Convert to fraction form
    13,524,694.52/18,665,991.78 = 8,369,716.28/x
  3. Step 3: Cross multiply
    13,524,694.52x = 18,665,991.78 × 8,369,716.28
  4. Step 4: Simplify right side
    13,524,694.52x = 156,229,055,283,412.19
  5. Step 5: Solve for x
    x = 156,229,055,283,412.19/13,524,694.52
  6. Step 6: Final answer
    x = 11,551,392.53

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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.