Home / 9,621,879.42-13,277,723.24-5,270,988.72

Finding the Fourth Proportional to 9,621,879.42, 13,277,723.24 and 5,270,988.72

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Solution

The fourth proportional to 9,621,879.42, 13,277,723.24 and 5,270,988.72 is: 7,273,706.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621,879.42 : 13,277,723.24 = 5,270,988.72 : x
  2. Step 2: Convert to fraction form
    9,621,879.42/13,277,723.24 = 5,270,988.72/x
  3. Step 3: Cross multiply
    9,621,879.42x = 13,277,723.24 × 5,270,988.72
  4. Step 4: Simplify right side
    9,621,879.42x = 69,986,729,425,321.85
  5. Step 5: Solve for x
    x = 69,986,729,425,321.85/9,621,879.42
  6. Step 6: Final answer
    x = 7,273,706.76

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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.