Home / 49,379,406.50-74,068,898.19-12,491,645.64

Finding the Fourth Proportional to 49,379,406.50, 74,068,898.19 and 12,491,645.64

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Solution

The fourth proportional to 49,379,406.50, 74,068,898.19 and 12,491,645.64 is: 18,737,414.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,379,406.50 : 74,068,898.19 = 12,491,645.64 : x
  2. Step 2: Convert to fraction form
    49,379,406.50/74,068,898.19 = 12,491,645.64/x
  3. Step 3: Cross multiply
    49,379,406.50x = 74,068,898.19 × 12,491,645.64
  4. Step 4: Simplify right side
    49,379,406.50x = 925,242,429,134,717.38
  5. Step 5: Solve for x
    x = 925,242,429,134,717.38/49,379,406.50
  6. Step 6: Final answer
    x = 18,737,414.94

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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.