Finding the Fourth Proportional to 7,157,993.49, 10,737,321.93 and 2,040,770.70
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Solution
The fourth proportional to 7,157,993.49, 10,737,321.93 and 2,040,770.70 is: 3,061,250.62
Step by Step Solution
- Step 1: Write the proportion equation
7,157,993.49 : 10,737,321.93 = 2,040,770.70 : x - Step 2: Convert to fraction form
7,157,993.49/10,737,321.93 = 2,040,770.70/x - Step 3: Cross multiply
7,157,993.49x = 10,737,321.93 × 2,040,770.70 - Step 4: Simplify right side
7,157,993.49x = 21,912,411,991,211.45 - Step 5: Solve for x
x = 21,912,411,991,211.45/7,157,993.49 - Step 6: Final answer
x = 3,061,250.62
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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.