Home / 8,691,885.20-13,028,496.60-3,298,451.60

Finding the Fourth Proportional to 8,691,885.20, 13,028,496.60 and 3,298,451.60

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Solution

The fourth proportional to 8,691,885.20, 13,028,496.60 and 3,298,451.60 is: 4,944,136.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,885.20 : 13,028,496.60 = 3,298,451.60 : x
  2. Step 2: Convert to fraction form
    8,691,885.20/13,028,496.60 = 3,298,451.60/x
  3. Step 3: Cross multiply
    8,691,885.20x = 13,028,496.60 × 3,298,451.60
  4. Step 4: Simplify right side
    8,691,885.20x = 42,973,865,455,864.56
  5. Step 5: Solve for x
    x = 42,973,865,455,864.56/8,691,885.20
  6. Step 6: Final answer
    x = 4,944,136.34

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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.