Home / 12,476,912.20-18,723,662.70-7,085,552.20

Finding the Fourth Proportional to 12,476,912.20, 18,723,662.70 and 7,085,552.20

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Solution

The fourth proportional to 12,476,912.20, 18,723,662.70 and 7,085,552.20 is: 10,633,038.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476,912.20 : 18,723,662.70 = 7,085,552.20 : x
  2. Step 2: Convert to fraction form
    12,476,912.20/18,723,662.70 = 7,085,552.20/x
  3. Step 3: Cross multiply
    12,476,912.20x = 18,723,662.70 × 7,085,552.20
  4. Step 4: Simplify right side
    12,476,912.20x = 132,667,489,436,042.94
  5. Step 5: Solve for x
    x = 132,667,489,436,042.94/12,476,912.20
  6. Step 6: Final answer
    x = 10,633,038.63

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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.