Home / 49,379,404.25-74,068,894.82-12,491,643.39

Finding the Fourth Proportional to 49,379,404.25, 74,068,894.82 and 12,491,643.39

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Solution

The fourth proportional to 49,379,404.25, 74,068,894.82 and 12,491,643.39 is: 18,737,411.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,379,404.25 : 74,068,894.82 = 12,491,643.39 : x
  2. Step 2: Convert to fraction form
    49,379,404.25/74,068,894.82 = 12,491,643.39/x
  3. Step 3: Cross multiply
    49,379,404.25x = 74,068,894.82 × 12,491,643.39
  4. Step 4: Simplify right side
    49,379,404.25x = 925,242,220,320,400
  5. Step 5: Solve for x
    x = 925,242,220,320,400/49,379,404.25
  6. Step 6: Final answer
    x = 18,737,411.57

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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.