Home / 9,591,279.20-13,235,808.90-5,240,271.86

Finding the Fourth Proportional to 9,591,279.20, 13,235,808.90 and 5,240,271.86

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Solution

The fourth proportional to 9,591,279.20, 13,235,808.90 and 5,240,271.86 is: 7,231,489.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,591,279.20 : 13,235,808.90 = 5,240,271.86 : x
  2. Step 2: Convert to fraction form
    9,591,279.20/13,235,808.90 = 5,240,271.86/x
  3. Step 3: Cross multiply
    9,591,279.20x = 13,235,808.90 × 5,240,271.86
  4. Step 4: Simplify right side
    9,591,279.20x = 69,359,236,923,007.56
  5. Step 5: Solve for x
    x = 69,359,236,923,007.56/9,591,279.20
  6. Step 6: Final answer
    x = 7,231,489.72

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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.