Home / 20,676,629.97-31,018,314.32-6,105,022.47

Finding the Fourth Proportional to 20,676,629.97, 31,018,314.32 and 6,105,022.47

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Solution

The fourth proportional to 20,676,629.97, 31,018,314.32 and 6,105,022.47 is: 9,158,528.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,676,629.97 : 31,018,314.32 = 6,105,022.47 : x
  2. Step 2: Convert to fraction form
    20,676,629.97/31,018,314.32 = 6,105,022.47/x
  3. Step 3: Cross multiply
    20,676,629.97x = 31,018,314.32 × 6,105,022.47
  4. Step 4: Simplify right side
    20,676,629.97x = 189,367,505,874,597.66
  5. Step 5: Solve for x
    x = 189,367,505,874,597.66/20,676,629.97
  6. Step 6: Final answer
    x = 9,158,528.55

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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.