Home / 10,511,378.85-15,764,115.83-3,325,115.55

Finding the Fourth Proportional to 10,511,378.85, 15,764,115.83 and 3,325,115.55

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Solution

The fourth proportional to 10,511,378.85, 15,764,115.83 and 3,325,115.55 is: 4,986,739.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,511,378.85 : 15,764,115.83 = 3,325,115.55 : x
  2. Step 2: Convert to fraction form
    10,511,378.85/15,764,115.83 = 3,325,115.55/x
  3. Step 3: Cross multiply
    10,511,378.85x = 15,764,115.83 × 3,325,115.55
  4. Step 4: Simplify right side
    10,511,378.85x = 52,417,506,661,708.57
  5. Step 5: Solve for x
    x = 52,417,506,661,708.57/10,511,378.85
  6. Step 6: Final answer
    x = 4,986,739.36

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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.