Home / 7,612,712.63-11,419,739.97-2,147,855.31

Finding the Fourth Proportional to 7,612,712.63, 11,419,739.97 and 2,147,855.31

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Solution

The fourth proportional to 7,612,712.63, 11,419,739.97 and 2,147,855.31 is: 3,221,972.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,612,712.63 : 11,419,739.97 = 2,147,855.31 : x
  2. Step 2: Convert to fraction form
    7,612,712.63/11,419,739.97 = 2,147,855.31/x
  3. Step 3: Cross multiply
    7,612,712.63x = 11,419,739.97 × 2,147,855.31
  4. Step 4: Simplify right side
    7,612,712.63x = 24,527,949,133,383.74
  5. Step 5: Solve for x
    x = 24,527,949,133,383.74/7,612,712.63
  6. Step 6: Final answer
    x = 3,221,972.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.