Home / 8,260,436.40-11,401,034.16-5,278,233.48

Finding the Fourth Proportional to 8,260,436.40, 11,401,034.16 and 5,278,233.48

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Solution

The fourth proportional to 8,260,436.40, 11,401,034.16 and 5,278,233.48 is: 7,285,004.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260,436.40 : 11,401,034.16 = 5,278,233.48 : x
  2. Step 2: Convert to fraction form
    8,260,436.40/11,401,034.16 = 5,278,233.48/x
  3. Step 3: Cross multiply
    8,260,436.40x = 11,401,034.16 × 5,278,233.48
  4. Step 4: Simplify right side
    8,260,436.40x = 60,177,320,209,935.68
  5. Step 5: Solve for x
    x = 60,177,320,209,935.68/8,260,436.40
  6. Step 6: Final answer
    x = 7,285,004.97

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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.