Finding the Fourth Proportional to 7,034,644.92, 10,492,822.70 and 6,388,845.69
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Solution
The fourth proportional to 7,034,644.92, 10,492,822.70 and 6,388,845.69 is: 9,529,553.49
Step by Step Solution
- Step 1: Write the proportion equation
7,034,644.92 : 10,492,822.70 = 6,388,845.69 : x - Step 2: Convert to fraction form
7,034,644.92/10,492,822.70 = 6,388,845.69/x - Step 3: Cross multiply
7,034,644.92x = 10,492,822.70 × 6,388,845.69 - Step 4: Simplify right side
7,034,644.92x = 67,037,025,082,829.16 - Step 5: Solve for x
x = 67,037,025,082,829.16/7,034,644.92 - Step 6: Final answer
x = 9,529,553.49
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.