Home / 22,378,799.70-30,882,698.28-12,589,250.76

Finding the Fourth Proportional to 22,378,799.70, 30,882,698.28 and 12,589,250.76

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Solution

The fourth proportional to 22,378,799.70, 30,882,698.28 and 12,589,250.76 is: 17,373,140.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,378,799.70 : 30,882,698.28 = 12,589,250.76 : x
  2. Step 2: Convert to fraction form
    22,378,799.70/30,882,698.28 = 12,589,250.76/x
  3. Step 3: Cross multiply
    22,378,799.70x = 30,882,698.28 × 12,589,250.76
  4. Step 4: Simplify right side
    22,378,799.70x = 388,790,032,792,340.69
  5. Step 5: Solve for x
    x = 388,790,032,792,340.69/22,378,799.70
  6. Step 6: Final answer
    x = 17,373,140.56

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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.