Home / 20,647,540.20-30,935,880.90-9,841,573.20

Finding the Fourth Proportional to 20,647,540.20, 30,935,880.90 and 9,841,573.20

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Solution

The fourth proportional to 20,647,540.20, 30,935,880.90 and 9,841,573.20 is: 14,745,472.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,647,540.20 : 30,935,880.90 = 9,841,573.20 : x
  2. Step 2: Convert to fraction form
    20,647,540.20/30,935,880.90 = 9,841,573.20/x
  3. Step 3: Cross multiply
    20,647,540.20x = 30,935,880.90 × 9,841,573.20
  4. Step 4: Simplify right side
    20,647,540.20x = 304,457,736,383,831.81
  5. Step 5: Solve for x
    x = 304,457,736,383,831.81/20,647,540.20
  6. Step 6: Final answer
    x = 14,745,472.51

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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.