Finding the Fourth Proportional to 8,551,517.88, 11,802,615.66 and 5,114,137.08
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Solution
The fourth proportional to 8,551,517.88, 11,802,615.66 and 5,114,137.08 is: 7,058,418.78
Step by Step Solution
- Step 1: Write the proportion equation
8,551,517.88 : 11,802,615.66 = 5,114,137.08 : x - Step 2: Convert to fraction form
8,551,517.88/11,802,615.66 = 5,114,137.08/x - Step 3: Cross multiply
8,551,517.88x = 11,802,615.66 × 5,114,137.08 - Step 4: Simplify right side
8,551,517.88x = 60,360,194,387,794.67 - Step 5: Solve for x
x = 60,360,194,387,794.67/8,551,517.88 - Step 6: Final answer
x = 7,058,418.78
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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.