Finding the Fourth Proportional to 9,082,107.99, 12,536,346.11 and 5,412,175.38
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Solution
The fourth proportional to 9,082,107.99, 12,536,346.11 and 5,412,175.38 is: 7,470,611.87
Step by Step Solution
- Step 1: Write the proportion equation
9,082,107.99 : 12,536,346.11 = 5,412,175.38 : x - Step 2: Convert to fraction form
9,082,107.99/12,536,346.11 = 5,412,175.38/x - Step 3: Cross multiply
9,082,107.99x = 12,536,346.11 × 5,412,175.38 - Step 4: Simplify right side
9,082,107.99x = 67,848,903,744,639.90 - Step 5: Solve for x
x = 67,848,903,744,639.90/9,082,107.99 - Step 6: Final answer
x = 7,470,611.87
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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.