Home / 13,910,972.60-20,856,738.90-8,228,271.80

Finding the Fourth Proportional to 13,910,972.60, 20,856,738.90 and 8,228,271.80

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Solution

The fourth proportional to 13,910,972.60, 20,856,738.90 and 8,228,271.80 is: 12,336,658.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,910,972.60 : 20,856,738.90 = 8,228,271.80 : x
  2. Step 2: Convert to fraction form
    13,910,972.60/20,856,738.90 = 8,228,271.80/x
  3. Step 3: Cross multiply
    13,910,972.60x = 20,856,738.90 × 8,228,271.80
  4. Step 4: Simplify right side
    13,910,972.60x = 171,614,916,530,833
  5. Step 5: Solve for x
    x = 171,614,916,530,833/13,910,972.60
  6. Step 6: Final answer
    x = 12,336,658.37

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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.