Home / 18,719,115.36-25,832,550.12-10,984,286.56

Finding the Fourth Proportional to 18,719,115.36, 25,832,550.12 and 10,984,286.56

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Solution

The fourth proportional to 18,719,115.36, 25,832,550.12 and 10,984,286.56 is: 15,158,415.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,719,115.36 : 25,832,550.12 = 10,984,286.56 : x
  2. Step 2: Convert to fraction form
    18,719,115.36/25,832,550.12 = 10,984,286.56/x
  3. Step 3: Cross multiply
    18,719,115.36x = 25,832,550.12 × 10,984,286.56
  4. Step 4: Simplify right side
    18,719,115.36x = 283,752,133,093,642.44
  5. Step 5: Solve for x
    x = 283,752,133,093,642.44/18,719,115.36
  6. Step 6: Final answer
    x = 15,158,415.75

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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.