Home / 8,556,979.68-12,840,515.04-3,169,414.56

Finding the Fourth Proportional to 8,556,979.68, 12,840,515.04 and 3,169,414.56

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Solution

The fourth proportional to 8,556,979.68, 12,840,515.04 and 3,169,414.56 is: 4,755,990.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556,979.68 : 12,840,515.04 = 3,169,414.56 : x
  2. Step 2: Convert to fraction form
    8,556,979.68/12,840,515.04 = 3,169,414.56/x
  3. Step 3: Cross multiply
    8,556,979.68x = 12,840,515.04 × 3,169,414.56
  4. Step 4: Simplify right side
    8,556,979.68x = 40,696,915,325,674.98
  5. Step 5: Solve for x
    x = 40,696,915,325,674.98/8,556,979.68
  6. Step 6: Final answer
    x = 4,755,990.65

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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.