Home / 7,882,851.80-11,826,027.30-3,621,992.60

Finding the Fourth Proportional to 7,882,851.80, 11,826,027.30 and 3,621,992.60

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Solution

The fourth proportional to 7,882,851.80, 11,826,027.30 and 3,621,992.60 is: 5,433,792.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882,851.80 : 11,826,027.30 = 3,621,992.60 : x
  2. Step 2: Convert to fraction form
    7,882,851.80/11,826,027.30 = 3,621,992.60/x
  3. Step 3: Cross multiply
    7,882,851.80x = 11,826,027.30 × 3,621,992.60
  4. Step 4: Simplify right side
    7,882,851.80x = 42,833,783,367,997.98
  5. Step 5: Solve for x
    x = 42,833,783,367,997.98/7,882,851.80
  6. Step 6: Final answer
    x = 5,433,792.80

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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.