Home / 10,866,744.78-16,273,212.96-7,981,269.27

Finding the Fourth Proportional to 10,866,744.78, 16,273,212.96 and 7,981,269.27

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Solution

The fourth proportional to 10,866,744.78, 16,273,212.96 and 7,981,269.27 is: 11,952,143.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866,744.78 : 16,273,212.96 = 7,981,269.27 : x
  2. Step 2: Convert to fraction form
    10,866,744.78/16,273,212.96 = 7,981,269.27/x
  3. Step 3: Cross multiply
    10,866,744.78x = 16,273,212.96 × 7,981,269.27
  4. Step 4: Simplify right side
    10,866,744.78x = 129,880,894,521,813.73
  5. Step 5: Solve for x
    x = 129,880,894,521,813.73/10,866,744.78
  6. Step 6: Final answer
    x = 11,952,143.64

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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.