Home / 49,379,400.87-74,068,889.76-12,491,640.02

Finding the Fourth Proportional to 49,379,400.87, 74,068,889.76 and 12,491,640.02

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Solution

The fourth proportional to 49,379,400.87, 74,068,889.76 and 12,491,640.02 is: 18,737,406.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,379,400.87 : 74,068,889.76 = 12,491,640.02 : x
  2. Step 2: Convert to fraction form
    49,379,400.87/74,068,889.76 = 12,491,640.02/x
  3. Step 3: Cross multiply
    49,379,400.87x = 74,068,889.76 × 12,491,640.02
  4. Step 4: Simplify right side
    49,379,400.87x = 925,241,907,192,639.88
  5. Step 5: Solve for x
    x = 925,241,907,192,639.88/49,379,400.87
  6. Step 6: Final answer
    x = 18,737,406.51

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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.