Finding the Fourth Proportional to 17,821,817.92, 24,593,450.88 and 9,672,880.96
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Solution
The fourth proportional to 17,821,817.92, 24,593,450.88 and 9,672,880.96 is: 13,348,218.67
Step by Step Solution
- Step 1: Write the proportion equation
17,821,817.92 : 24,593,450.88 = 9,672,880.96 : x - Step 2: Convert to fraction form
17,821,817.92/24,593,450.88 = 9,672,880.96/x - Step 3: Cross multiply
17,821,817.92x = 24,593,450.88 × 9,672,880.96 - Step 4: Simplify right side
17,821,817.92x = 237,889,522,757,847.25 - Step 5: Solve for x
x = 237,889,522,757,847.25/17,821,817.92 - Step 6: Final answer
x = 13,348,218.67
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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.