Finding the Fourth Proportional to 55,274,617.44, 82,922,553.52 and 21,193,305.44
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Solution
The fourth proportional to 55,274,617.44, 82,922,553.52 and 21,193,305.44 is: 31,794,032.89
Step by Step Solution
- Step 1: Write the proportion equation
55,274,617.44 : 82,922,553.52 = 21,193,305.44 : x - Step 2: Convert to fraction form
55,274,617.44/82,922,553.52 = 21,193,305.44/x - Step 3: Cross multiply
55,274,617.44x = 82,922,553.52 × 21,193,305.44 - Step 4: Simplify right side
55,274,617.44x = 1,757,403,004,614,107.25 - Step 5: Solve for x
x = 1,757,403,004,614,107.25/55,274,617.44 - Step 6: Final answer
x = 31,794,032.89
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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.