Finding the Fourth Proportional to 8,274,876.39, 11,419,433.99 and 4,554,135.66
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Solution
The fourth proportional to 8,274,876.39, 11,419,433.99 and 4,554,135.66 is: 6,284,764.77
Step by Step Solution
- Step 1: Write the proportion equation
8,274,876.39 : 11,419,433.99 = 4,554,135.66 : x - Step 2: Convert to fraction form
8,274,876.39/11,419,433.99 = 4,554,135.66/x - Step 3: Cross multiply
8,274,876.39x = 11,419,433.99 × 4,554,135.66 - Step 4: Simplify right side
8,274,876.39x = 52,005,651,574,354.73 - Step 5: Solve for x
x = 52,005,651,574,354.73/8,274,876.39 - Step 6: Final answer
x = 6,284,764.77
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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.