Home / 49,036,609.60-67,670,520.96-28,422,013.12

Finding the Fourth Proportional to 49,036,609.60, 67,670,520.96 and 28,422,013.12

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Solution

The fourth proportional to 49,036,609.60, 67,670,520.96 and 28,422,013.12 is: 39,222,377.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,036,609.60 : 67,670,520.96 = 28,422,013.12 : x
  2. Step 2: Convert to fraction form
    49,036,609.60/67,670,520.96 = 28,422,013.12/x
  3. Step 3: Cross multiply
    49,036,609.60x = 67,670,520.96 × 28,422,013.12
  4. Step 4: Simplify right side
    49,036,609.60x = 1,923,332,434,562,355
  5. Step 5: Solve for x
    x = 1,923,332,434,562,355/49,036,609.60
  6. Step 6: Final answer
    x = 39,222,377.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.