Home / 28,795,512.80-43,193,269.20-18,591,845.60

Finding the Fourth Proportional to 28,795,512.80, 43,193,269.20 and 18,591,845.60

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Solution

The fourth proportional to 28,795,512.80, 43,193,269.20 and 18,591,845.60 is: 27,887,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,795,512.80 : 43,193,269.20 = 18,591,845.60 : x
  2. Step 2: Convert to fraction form
    28,795,512.80/43,193,269.20 = 18,591,845.60/x
  3. Step 3: Cross multiply
    28,795,512.80x = 43,193,269.20 × 18,591,845.60
  4. Step 4: Simplify right side
    28,795,512.80x = 803,042,591,925,635.62
  5. Step 5: Solve for x
    x = 803,042,591,925,635.62/28,795,512.80
  6. Step 6: Final answer
    x = 27,887,768.40

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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.