Home / 7,978,161.35-11,965,062.31-2,859,637.21

Finding the Fourth Proportional to 7,978,161.35, 11,965,062.31 and 2,859,637.21

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Solution

The fourth proportional to 7,978,161.35, 11,965,062.31 and 2,859,637.21 is: 4,288,674.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,978,161.35 : 11,965,062.31 = 2,859,637.21 : x
  2. Step 2: Convert to fraction form
    7,978,161.35/11,965,062.31 = 2,859,637.21/x
  3. Step 3: Cross multiply
    7,978,161.35x = 11,965,062.31 × 2,859,637.21
  4. Step 4: Simplify right side
    7,978,161.35x = 34,215,737,401,644.55
  5. Step 5: Solve for x
    x = 34,215,737,401,644.55/7,978,161.35
  6. Step 6: Final answer
    x = 4,288,674.53

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Why These Related Problems?

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