Home / 6,821,069.72-9,412,745.46-3,880,609.94

Finding the Fourth Proportional to 6,821,069.72, 9,412,745.46 and 3,880,609.94

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Solution

The fourth proportional to 6,821,069.72, 9,412,745.46 and 3,880,609.94 is: 5,355,053.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821,069.72 : 9,412,745.46 = 3,880,609.94 : x
  2. Step 2: Convert to fraction form
    6,821,069.72/9,412,745.46 = 3,880,609.94/x
  3. Step 3: Cross multiply
    6,821,069.72x = 9,412,745.46 × 3,880,609.94
  4. Step 4: Simplify right side
    6,821,069.72x = 36,527,193,594,765.88
  5. Step 5: Solve for x
    x = 36,527,193,594,765.88/6,821,069.72
  6. Step 6: Final answer
    x = 5,355,053.55

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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.