Home / 20,198,533.32-27,874,663.82-11,945,670.12

Finding the Fourth Proportional to 20,198,533.32, 27,874,663.82 and 11,945,670.12

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Solution

The fourth proportional to 20,198,533.32, 27,874,663.82 and 11,945,670.12 is: 16,485,431.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198,533.32 : 27,874,663.82 = 11,945,670.12 : x
  2. Step 2: Convert to fraction form
    20,198,533.32/27,874,663.82 = 11,945,670.12/x
  3. Step 3: Cross multiply
    20,198,533.32x = 27,874,663.82 × 11,945,670.12
  4. Step 4: Simplify right side
    20,198,533.32x = 332,981,538,729,483.25
  5. Step 5: Solve for x
    x = 332,981,538,729,483.25/20,198,533.32
  6. Step 6: Final answer
    x = 16,485,431.56

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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.