Home / 20,697,608.20-31,040,882.70-7,233,032.20

Finding the Fourth Proportional to 20,697,608.20, 31,040,882.70 and 7,233,032.20

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Solution

The fourth proportional to 20,697,608.20, 31,040,882.70 and 7,233,032.20 is: 10,847,615.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,697,608.20 : 31,040,882.70 = 7,233,032.20 : x
  2. Step 2: Convert to fraction form
    20,697,608.20/31,040,882.70 = 7,233,032.20/x
  3. Step 3: Cross multiply
    20,697,608.20x = 31,040,882.70 × 7,233,032.20
  4. Step 4: Simplify right side
    20,697,608.20x = 224,519,704,085,522.94
  5. Step 5: Solve for x
    x = 224,519,704,085,522.94/20,697,608.20
  6. Step 6: Final answer
    x = 10,847,615.91

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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.