Home / 49,379,403.75-74,068,894.06-12,491,642.89

Finding the Fourth Proportional to 49,379,403.75, 74,068,894.06 and 12,491,642.89

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Solution

The fourth proportional to 49,379,403.75, 74,068,894.06 and 12,491,642.89 is: 18,737,410.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,379,403.75 : 74,068,894.06 = 12,491,642.89 : x
  2. Step 2: Convert to fraction form
    49,379,403.75/74,068,894.06 = 12,491,642.89/x
  3. Step 3: Cross multiply
    49,379,403.75x = 74,068,894.06 × 12,491,642.89
  4. Step 4: Simplify right side
    49,379,403.75x = 925,242,173,854,762.25
  5. Step 5: Solve for x
    x = 925,242,173,854,762.25/49,379,403.75
  6. Step 6: Final answer
    x = 18,737,410.81

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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.