Home / 12,274,911.60-18,412,367.40-7,491,942.60

Finding the Fourth Proportional to 12,274,911.60, 18,412,367.40 and 7,491,942.60

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Solution

The fourth proportional to 12,274,911.60, 18,412,367.40 and 7,491,942.60 is: 11,237,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,274,911.60 : 18,412,367.40 = 7,491,942.60 : x
  2. Step 2: Convert to fraction form
    12,274,911.60/18,412,367.40 = 7,491,942.60/x
  3. Step 3: Cross multiply
    12,274,911.60x = 18,412,367.40 × 7,491,942.60
  4. Step 4: Simplify right side
    12,274,911.60x = 137,944,399,690,911.22
  5. Step 5: Solve for x
    x = 137,944,399,690,911.22/12,274,911.60
  6. Step 6: Final answer
    x = 11,237,913.90

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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.