Finding the Fourth Proportional to 7,233,548.26, 9,982,261.54 and 3,970,418.51
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Solution
The fourth proportional to 7,233,548.26, 9,982,261.54 and 3,970,418.51 is: 5,479,158.30
Step by Step Solution
- Step 1: Write the proportion equation
7,233,548.26 : 9,982,261.54 = 3,970,418.51 : x - Step 2: Convert to fraction form
7,233,548.26/9,982,261.54 = 3,970,418.51/x - Step 3: Cross multiply
7,233,548.26x = 9,982,261.54 × 3,970,418.51 - Step 4: Simplify right side
7,233,548.26x = 39,633,755,990,077.10 - Step 5: Solve for x
x = 39,633,755,990,077.10/7,233,548.26 - Step 6: Final answer
x = 5,479,158.30
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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.