Home / 18,949,907.70-28,424,861.55-16,965,861.30

Finding the Fourth Proportional to 18,949,907.70, 28,424,861.55 and 16,965,861.30

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Solution

The fourth proportional to 18,949,907.70, 28,424,861.55 and 16,965,861.30 is: 25,448,791.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,949,907.70 : 28,424,861.55 = 16,965,861.30 : x
  2. Step 2: Convert to fraction form
    18,949,907.70/28,424,861.55 = 16,965,861.30/x
  3. Step 3: Cross multiply
    18,949,907.70x = 28,424,861.55 × 16,965,861.30
  4. Step 4: Simplify right side
    18,949,907.70x = 482,252,258,529,003.06
  5. Step 5: Solve for x
    x = 482,252,258,529,003.06/18,949,907.70
  6. Step 6: Final answer
    x = 25,448,791.95

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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.