Home / 8,099,727.60-12,149,785.80-2,420,137.20

Finding the Fourth Proportional to 8,099,727.60, 12,149,785.80 and 2,420,137.20

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Solution

The fourth proportional to 8,099,727.60, 12,149,785.80 and 2,420,137.20 is: 3,630,263.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099,727.60 : 12,149,785.80 = 2,420,137.20 : x
  2. Step 2: Convert to fraction form
    8,099,727.60/12,149,785.80 = 2,420,137.20/x
  3. Step 3: Cross multiply
    8,099,727.60x = 12,149,785.80 × 2,420,137.20
  4. Step 4: Simplify right side
    8,099,727.60x = 29,404,148,586,611.77
  5. Step 5: Solve for x
    x = 29,404,148,586,611.77/8,099,727.60
  6. Step 6: Final answer
    x = 3,630,263.89

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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.