Home / 20,629,532.52-30,945,326.65-7,851,027.60

Finding the Fourth Proportional to 20,629,532.52, 30,945,326.65 and 7,851,027.60

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Solution

The fourth proportional to 20,629,532.52, 30,945,326.65 and 7,851,027.60 is: 11,776,932.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,629,532.52 : 30,945,326.65 = 7,851,027.60 : x
  2. Step 2: Convert to fraction form
    20,629,532.52/30,945,326.65 = 7,851,027.60/x
  3. Step 3: Cross multiply
    20,629,532.52x = 30,945,326.65 × 7,851,027.60
  4. Step 4: Simplify right side
    20,629,532.52x = 242,952,613,600,537.97
  5. Step 5: Solve for x
    x = 242,952,613,600,537.97/20,629,532.52
  6. Step 6: Final answer
    x = 11,776,932.58

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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.