Finding the Fourth Proportional to 31,305,750.37, 43,201,986.41 and 17,367,105.83
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Solution
The fourth proportional to 31,305,750.37, 43,201,986.41 and 17,367,105.83 is: 23,966,634.28
Step by Step Solution
- Step 1: Write the proportion equation
31,305,750.37 : 43,201,986.41 = 17,367,105.83 : x - Step 2: Convert to fraction form
31,305,750.37/43,201,986.41 = 17,367,105.83/x - Step 3: Cross multiply
31,305,750.37x = 43,201,986.41 × 17,367,105.83 - Step 4: Simplify right side
31,305,750.37x = 750,293,469,876,099.62 - Step 5: Solve for x
x = 750,293,469,876,099.62/31,305,750.37 - Step 6: Final answer
x = 23,966,634.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.