Home / 20,302,636.86-30,441,790.17-6,463,614.78

Finding the Fourth Proportional to 20,302,636.86, 30,441,790.17 and 6,463,614.78

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Solution

The fourth proportional to 20,302,636.86, 30,441,790.17 and 6,463,614.78 is: 9,691,549.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,302,636.86 : 30,441,790.17 = 6,463,614.78 : x
  2. Step 2: Convert to fraction form
    20,302,636.86/30,441,790.17 = 6,463,614.78/x
  3. Step 3: Cross multiply
    20,302,636.86x = 30,441,790.17 × 6,463,614.78
  4. Step 4: Simplify right side
    20,302,636.86x = 196,764,004,872,470.72
  5. Step 5: Solve for x
    x = 196,764,004,872,470.72/20,302,636.86
  6. Step 6: Final answer
    x = 9,691,549.24

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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.