Home / 48,436,747.80-66,858,906.78-28,863,774.96

Finding the Fourth Proportional to 48,436,747.80, 66,858,906.78 and 28,863,774.96

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Solution

The fourth proportional to 48,436,747.80, 66,858,906.78 and 28,863,774.96 is: 39,841,660.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,436,747.80 : 66,858,906.78 = 28,863,774.96 : x
  2. Step 2: Convert to fraction form
    48,436,747.80/66,858,906.78 = 28,863,774.96/x
  3. Step 3: Cross multiply
    48,436,747.80x = 66,858,906.78 × 28,863,774.96
  4. Step 4: Simplify right side
    48,436,747.80x = 1,929,800,439,369,538.25
  5. Step 5: Solve for x
    x = 1,929,800,439,369,538.25/48,436,747.80
  6. Step 6: Final answer
    x = 39,841,660.04

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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.