Home / 28,608,046.60-42,912,069.90-27,280,942.60

Finding the Fourth Proportional to 28,608,046.60, 42,912,069.90 and 27,280,942.60

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Solution

The fourth proportional to 28,608,046.60, 42,912,069.90 and 27,280,942.60 is: 40,921,413.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,046.60 : 42,912,069.90 = 27,280,942.60 : x
  2. Step 2: Convert to fraction form
    28,608,046.60/42,912,069.90 = 27,280,942.60/x
  3. Step 3: Cross multiply
    28,608,046.60x = 42,912,069.90 × 27,280,942.60
  4. Step 4: Simplify right side
    28,608,046.60x = 1,170,681,715,789,087.75
  5. Step 5: Solve for x
    x = 1,170,681,715,789,087.75/28,608,046.60
  6. Step 6: Final answer
    x = 40,921,413.90

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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.