Home / 20,629,531.26-30,945,324.78-7,851,026.34

Finding the Fourth Proportional to 20,629,531.26, 30,945,324.78 and 7,851,026.34

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Solution

The fourth proportional to 20,629,531.26, 30,945,324.78 and 7,851,026.34 is: 11,776,930.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,629,531.26 : 30,945,324.78 = 7,851,026.34 : x
  2. Step 2: Convert to fraction form
    20,629,531.26/30,945,324.78 = 7,851,026.34/x
  3. Step 3: Cross multiply
    20,629,531.26x = 30,945,324.78 × 7,851,026.34
  4. Step 4: Simplify right side
    20,629,531.26x = 242,952,559,947,634.72
  5. Step 5: Solve for x
    x = 242,952,559,947,634.72/20,629,531.26
  6. Step 6: Final answer
    x = 11,776,930.70

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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.