Home / 7,105,807.20-10,659,747.60-3,319,413.60

Finding the Fourth Proportional to 7,105,807.20, 10,659,747.60 and 3,319,413.60

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Solution

The fourth proportional to 7,105,807.20, 10,659,747.60 and 3,319,413.60 is: 4,979,604.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105,807.20 : 10,659,747.60 = 3,319,413.60 : x
  2. Step 2: Convert to fraction form
    7,105,807.20/10,659,747.60 = 3,319,413.60/x
  3. Step 3: Cross multiply
    7,105,807.20x = 10,659,747.60 × 3,319,413.60
  4. Step 4: Simplify right side
    7,105,807.20x = 35,384,111,156,007.36
  5. Step 5: Solve for x
    x = 35,384,111,156,007.36/7,105,807.20
  6. Step 6: Final answer
    x = 4,979,604.73

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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.