Finding the Fourth Proportional to 6,147,313.68, 8,482,510.44 and 3,431,174.16
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Solution
The fourth proportional to 6,147,313.68, 8,482,510.44 and 3,431,174.16 is: 4,734,583.62
Step by Step Solution
- Step 1: Write the proportion equation
6,147,313.68 : 8,482,510.44 = 3,431,174.16 : x - Step 2: Convert to fraction form
6,147,313.68/8,482,510.44 = 3,431,174.16/x - Step 3: Cross multiply
6,147,313.68x = 8,482,510.44 × 3,431,174.16 - Step 4: Simplify right side
6,147,313.68x = 29,104,970,633,658.23 - Step 5: Solve for x
x = 29,104,970,633,658.23/6,147,313.68 - Step 6: Final answer
x = 4,734,583.62
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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.