Home / 20,313,531.50-30,469,944.30-8,182,684.82

Finding the Fourth Proportional to 20,313,531.50, 30,469,944.30 and 8,182,684.82

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Solution

The fourth proportional to 20,313,531.50, 30,469,944.30 and 8,182,684.82 is: 12,273,885.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,313,531.50 : 30,469,944.30 = 8,182,684.82 : x
  2. Step 2: Convert to fraction form
    20,313,531.50/30,469,944.30 = 8,182,684.82/x
  3. Step 3: Cross multiply
    20,313,531.50x = 30,469,944.30 × 8,182,684.82
  4. Step 4: Simplify right side
    20,313,531.50x = 249,325,950,689,855.53
  5. Step 5: Solve for x
    x = 249,325,950,689,855.53/20,313,531.50
  6. Step 6: Final answer
    x = 12,273,885.05

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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.