Home / 15,332,604.62-21,158,623.56-8,456,939.06

Finding the Fourth Proportional to 15,332,604.62, 21,158,623.56 and 8,456,939.06

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Solution

The fourth proportional to 15,332,604.62, 21,158,623.56 and 8,456,939.06 is: 11,670,371.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,332,604.62 : 21,158,623.56 = 8,456,939.06 : x
  2. Step 2: Convert to fraction form
    15,332,604.62/21,158,623.56 = 8,456,939.06/x
  3. Step 3: Cross multiply
    15,332,604.62x = 21,158,623.56 × 8,456,939.06
  4. Step 4: Simplify right side
    15,332,604.62x = 178,937,190,040,400.25
  5. Step 5: Solve for x
    x = 178,937,190,040,400.25/15,332,604.62
  6. Step 6: Final answer
    x = 11,670,371.37

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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.