Finding the Fourth Proportional to 10,397,744.49, 14,347,782.72 and 5,750,791.09
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Solution
The fourth proportional to 10,397,744.49, 14,347,782.72 and 5,750,791.09 is: 7,935,480.73
Step by Step Solution
- Step 1: Write the proportion equation
10,397,744.49 : 14,347,782.72 = 5,750,791.09 : x - Step 2: Convert to fraction form
10,397,744.49/14,347,782.72 = 5,750,791.09/x - Step 3: Cross multiply
10,397,744.49x = 14,347,782.72 × 5,750,791.09 - Step 4: Simplify right side
10,397,744.49x = 82,511,101,027,431.97 - Step 5: Solve for x
x = 82,511,101,027,431.97/10,397,744.49 - Step 6: Final answer
x = 7,935,480.73
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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.