Home / 20,297,929.20-30,440,988.90-11,204,383.20

Finding the Fourth Proportional to 20,297,929.20, 30,440,988.90 and 11,204,383.20

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Solution

The fourth proportional to 20,297,929.20, 30,440,988.90 and 11,204,383.20 is: 16,803,315.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,297,929.20 : 30,440,988.90 = 11,204,383.20 : x
  2. Step 2: Convert to fraction form
    20,297,929.20/30,440,988.90 = 11,204,383.20/x
  3. Step 3: Cross multiply
    20,297,929.20x = 30,440,988.90 × 11,204,383.20
  4. Step 4: Simplify right side
    20,297,929.20x = 341,072,504,622,546.44
  5. Step 5: Solve for x
    x = 341,072,504,622,546.44/20,297,929.20
  6. Step 6: Final answer
    x = 16,803,315.32

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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.