Home / 8,691,926.20-13,028,558.10-3,298,492.60

Finding the Fourth Proportional to 8,691,926.20, 13,028,558.10 and 3,298,492.60

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Solution

The fourth proportional to 8,691,926.20, 13,028,558.10 and 3,298,492.60 is: 4,944,197.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,926.20 : 13,028,558.10 = 3,298,492.60 : x
  2. Step 2: Convert to fraction form
    8,691,926.20/13,028,558.10 = 3,298,492.60/x
  3. Step 3: Cross multiply
    8,691,926.20x = 13,028,558.10 × 3,298,492.60
  4. Step 4: Simplify right side
    8,691,926.20x = 42,974,602,481,520.06
  5. Step 5: Solve for x
    x = 42,974,602,481,520.06/8,691,926.20
  6. Step 6: Final answer
    x = 4,944,197.81

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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.