Home / 7,147,146.15-10,715,979.92-2,597,654.79

Finding the Fourth Proportional to 7,147,146.15, 10,715,979.92 and 2,597,654.79

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Solution

The fourth proportional to 7,147,146.15, 10,715,979.92 and 2,597,654.79 is: 3,894,759.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,147,146.15 : 10,715,979.92 = 2,597,654.79 : x
  2. Step 2: Convert to fraction form
    7,147,146.15/10,715,979.92 = 2,597,654.79/x
  3. Step 3: Cross multiply
    7,147,146.15x = 10,715,979.92 × 2,597,654.79
  4. Step 4: Simplify right side
    7,147,146.15x = 27,836,416,555,743.54
  5. Step 5: Solve for x
    x = 27,836,416,555,743.54/7,147,146.15
  6. Step 6: Final answer
    x = 3,894,759.67

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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.