Home / 20,494,960.20-30,741,950.22-6,661,901.58

Finding the Fourth Proportional to 20,494,960.20, 30,741,950.22 and 6,661,901.58

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Solution

The fourth proportional to 20,494,960.20, 30,741,950.22 and 6,661,901.58 is: 9,992,693.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,494,960.20 : 30,741,950.22 = 6,661,901.58 : x
  2. Step 2: Convert to fraction form
    20,494,960.20/30,741,950.22 = 6,661,901.58/x
  3. Step 3: Cross multiply
    20,494,960.20x = 30,741,950.22 × 6,661,901.58
  4. Step 4: Simplify right side
    20,494,960.20x = 204,799,846,742,899.34
  5. Step 5: Solve for x
    x = 204,799,846,742,899.34/20,494,960.20
  6. Step 6: Final answer
    x = 9,992,693.07

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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.