Home / 8,216,912.40-11,342,189.16-5,647,099.92

Finding the Fourth Proportional to 8,216,912.40, 11,342,189.16 and 5,647,099.92

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Solution

The fourth proportional to 8,216,912.40, 11,342,189.16 and 5,647,099.92 is: 7,794,956.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216,912.40 : 11,342,189.16 = 5,647,099.92 : x
  2. Step 2: Convert to fraction form
    8,216,912.40/11,342,189.16 = 5,647,099.92/x
  3. Step 3: Cross multiply
    8,216,912.40x = 11,342,189.16 × 5,647,099.92
  4. Step 4: Simplify right side
    8,216,912.40x = 64,050,475,498,060.87
  5. Step 5: Solve for x
    x = 64,050,475,498,060.87/8,216,912.40
  6. Step 6: Final answer
    x = 7,794,956.59

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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.