Home / 18,378,571.28-27,567,850.44-4,915,049.36

Finding the Fourth Proportional to 18,378,571.28, 27,567,850.44 and 4,915,049.36

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Solution

The fourth proportional to 18,378,571.28, 27,567,850.44 and 4,915,049.36 is: 7,372,572.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,378,571.28 : 27,567,850.44 = 4,915,049.36 : x
  2. Step 2: Convert to fraction form
    18,378,571.28/27,567,850.44 = 4,915,049.36/x
  3. Step 3: Cross multiply
    18,378,571.28x = 27,567,850.44 × 4,915,049.36
  4. Step 4: Simplify right side
    18,378,571.28x = 135,497,345,661,697.73
  5. Step 5: Solve for x
    x = 135,497,345,661,697.73/18,378,571.28
  6. Step 6: Final answer
    x = 7,372,572.31

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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.