Home / 20,648,455.82-30,972,628.35-7,694,311.56

Finding the Fourth Proportional to 20,648,455.82, 30,972,628.35 and 7,694,311.56

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Solution

The fourth proportional to 20,648,455.82, 30,972,628.35 and 7,694,311.56 is: 11,541,446.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,648,455.82 : 30,972,628.35 = 7,694,311.56 : x
  2. Step 2: Convert to fraction form
    20,648,455.82/30,972,628.35 = 7,694,311.56/x
  3. Step 3: Cross multiply
    20,648,455.82x = 30,972,628.35 × 7,694,311.56
  4. Step 4: Simplify right side
    20,648,455.82x = 238,313,052,480,274.09
  5. Step 5: Solve for x
    x = 238,313,052,480,274.09/20,648,455.82
  6. Step 6: Final answer
    x = 11,541,446.71

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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.