Home / 20,548,404.54-30,798,734.47-7,760,772.54

Finding the Fourth Proportional to 20,548,404.54, 30,798,734.47 and 7,760,772.54

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Solution

The fourth proportional to 20,548,404.54, 30,798,734.47 and 7,760,772.54 is: 11,632,142.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,548,404.54 : 30,798,734.47 = 7,760,772.54 : x
  2. Step 2: Convert to fraction form
    20,548,404.54/30,798,734.47 = 7,760,772.54/x
  3. Step 3: Cross multiply
    20,548,404.54x = 30,798,734.47 × 7,760,772.54
  4. Step 4: Simplify right side
    20,548,404.54x = 239,021,972,741,527.44
  5. Step 5: Solve for x
    x = 239,021,972,741,527.44/20,548,404.54
  6. Step 6: Final answer
    x = 11,632,142.65

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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.