Finding the Fourth Proportional to 7,622,690.67, 11,431,611.06 and 2,503,932.99
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Solution
The fourth proportional to 7,622,690.67, 11,431,611.06 and 2,503,932.99 is: 3,755,102.93
Step by Step Solution
- Step 1: Write the proportion equation
7,622,690.67 : 11,431,611.06 = 2,503,932.99 : x - Step 2: Convert to fraction form
7,622,690.67/11,431,611.06 = 2,503,932.99/x - Step 3: Cross multiply
7,622,690.67x = 11,431,611.06 × 2,503,932.99 - Step 4: Simplify right side
7,622,690.67x = 28,623,988,061,982.88 - Step 5: Solve for x
x = 28,623,988,061,982.88/7,622,690.67 - Step 6: Final answer
x = 3,755,102.93
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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.