Home / 22,505,791.68-31,057,820.28-12,192,440.76

Finding the Fourth Proportional to 22,505,791.68, 31,057,820.28 and 12,192,440.76

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Solution

The fourth proportional to 22,505,791.68, 31,057,820.28 and 12,192,440.76 is: 16,825,474.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,505,791.68 : 31,057,820.28 = 12,192,440.76 : x
  2. Step 2: Convert to fraction form
    22,505,791.68/31,057,820.28 = 12,192,440.76/x
  3. Step 3: Cross multiply
    22,505,791.68x = 31,057,820.28 × 12,192,440.76
  4. Step 4: Simplify right side
    22,505,791.68x = 378,670,633,898,626.62
  5. Step 5: Solve for x
    x = 378,670,633,898,626.62/22,505,791.68
  6. Step 6: Final answer
    x = 16,825,474.94

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1.5x scale

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.