Home / 49,379,408-74,068,900.44-12,491,647.14

Finding the Fourth Proportional to 49,379,408, 74,068,900.44 and 12,491,647.14

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Solution

The fourth proportional to 49,379,408, 74,068,900.44 and 12,491,647.14 is: 18,737,417.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,379,408 : 74,068,900.44 = 12,491,647.14 : x
  2. Step 2: Convert to fraction form
    49,379,408/74,068,900.44 = 12,491,647.14/x
  3. Step 3: Cross multiply
    49,379,408x = 74,068,900.44 × 12,491,647.14
  4. Step 4: Simplify right side
    49,379,408x = 925,242,568,344,270.75
  5. Step 5: Solve for x
    x = 925,242,568,344,270.75/49,379,408
  6. Step 6: Final answer
    x = 18,737,417.19

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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.