Home / 13,186,954.36-18,187,989.85-11,552,524.17

Finding the Fourth Proportional to 13,186,954.36, 18,187,989.85 and 11,552,524.17

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Solution

The fourth proportional to 13,186,954.36, 18,187,989.85 and 11,552,524.17 is: 15,933,716.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,186,954.36 : 18,187,989.85 = 11,552,524.17 : x
  2. Step 2: Convert to fraction form
    13,186,954.36/18,187,989.85 = 11,552,524.17/x
  3. Step 3: Cross multiply
    13,186,954.36x = 18,187,989.85 × 11,552,524.17
  4. Step 4: Simplify right side
    13,186,954.36x = 210,117,192,268,919.12
  5. Step 5: Solve for x
    x = 210,117,192,268,919.12/13,186,954.36
  6. Step 6: Final answer
    x = 15,933,716.51

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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.