Home / 20,201,791.89-30,302,688.21-4,849,081.56

Finding the Fourth Proportional to 20,201,791.89, 30,302,688.21 and 4,849,081.56

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Solution

The fourth proportional to 20,201,791.89, 30,302,688.21 and 4,849,081.56 is: 7,273,622.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,201,791.89 : 30,302,688.21 = 4,849,081.56 : x
  2. Step 2: Convert to fraction form
    20,201,791.89/30,302,688.21 = 4,849,081.56/x
  3. Step 3: Cross multiply
    20,201,791.89x = 30,302,688.21 × 4,849,081.56
  4. Step 4: Simplify right side
    20,201,791.89x = 146,940,206,617,540.41
  5. Step 5: Solve for x
    x = 146,940,206,617,540.41/20,201,791.89
  6. Step 6: Final answer
    x = 7,273,622.43

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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.