Home / 20,176,453.52-27,835,505.52-12,428,058.32

Finding the Fourth Proportional to 20,176,453.52, 27,835,505.52 and 12,428,058.32

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Solution

The fourth proportional to 20,176,453.52, 27,835,505.52 and 12,428,058.32 is: 17,145,792.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,176,453.52 : 27,835,505.52 = 12,428,058.32 : x
  2. Step 2: Convert to fraction form
    20,176,453.52/27,835,505.52 = 12,428,058.32/x
  3. Step 3: Cross multiply
    20,176,453.52x = 27,835,505.52 × 12,428,058.32
  4. Step 4: Simplify right side
    20,176,453.52x = 345,941,285,969,241.94
  5. Step 5: Solve for x
    x = 345,941,285,969,241.94/20,176,453.52
  6. Step 6: Final answer
    x = 17,145,792.53

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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.