Home / 21,319,661.43-31,981,734.43-6,943,850.69

Finding the Fourth Proportional to 21,319,661.43, 31,981,734.43 and 6,943,850.69

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Solution

The fourth proportional to 21,319,661.43, 31,981,734.43 and 6,943,850.69 is: 10,416,506.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,319,661.43 : 31,981,734.43 = 6,943,850.69 : x
  2. Step 2: Convert to fraction form
    21,319,661.43/31,981,734.43 = 6,943,850.69/x
  3. Step 3: Cross multiply
    21,319,661.43x = 31,981,734.43 × 6,943,850.69
  4. Step 4: Simplify right side
    21,319,661.43x = 222,076,388,511,883.94
  5. Step 5: Solve for x
    x = 222,076,388,511,883.94/21,319,661.43
  6. Step 6: Final answer
    x = 10,416,506.34

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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.