Home / 9,591,729.30-13,236,679.42-5,240,815.22

Finding the Fourth Proportional to 9,591,729.30, 13,236,679.42 and 5,240,815.22

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Solution

The fourth proportional to 9,591,729.30, 13,236,679.42 and 5,240,815.22 is: 7,232,375.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,591,729.30 : 13,236,679.42 = 5,240,815.22 : x
  2. Step 2: Convert to fraction form
    9,591,729.30/13,236,679.42 = 5,240,815.22/x
  3. Step 3: Cross multiply
    9,591,729.30x = 13,236,679.42 × 5,240,815.22
  4. Step 4: Simplify right side
    9,591,729.30x = 69,370,990,986,586.44
  5. Step 5: Solve for x
    x = 69,370,990,986,586.44/9,591,729.30
  6. Step 6: Final answer
    x = 7,232,375.81

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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.