Home / 8,122,564.20-12,183,846.30-6,847,105.80

Finding the Fourth Proportional to 8,122,564.20, 12,183,846.30 and 6,847,105.80

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Solution

The fourth proportional to 8,122,564.20, 12,183,846.30 and 6,847,105.80 is: 10,270,658.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,122,564.20 : 12,183,846.30 = 6,847,105.80 : x
  2. Step 2: Convert to fraction form
    8,122,564.20/12,183,846.30 = 6,847,105.80/x
  3. Step 3: Cross multiply
    8,122,564.20x = 12,183,846.30 × 6,847,105.80
  4. Step 4: Simplify right side
    8,122,564.20x = 83,424,084,667,038.55
  5. Step 5: Solve for x
    x = 83,424,084,667,038.55/8,122,564.20
  6. Step 6: Final answer
    x = 10,270,658.70

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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.