Finding the Fourth Proportional to 8,474,111.98, 11,694,350.64 and 4,606,640.62
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Solution
The fourth proportional to 8,474,111.98, 11,694,350.64 and 4,606,640.62 is: 6,357,205.43
Step by Step Solution
- Step 1: Write the proportion equation
8,474,111.98 : 11,694,350.64 = 4,606,640.62 : x - Step 2: Convert to fraction form
8,474,111.98/11,694,350.64 = 4,606,640.62/x - Step 3: Cross multiply
8,474,111.98x = 11,694,350.64 × 4,606,640.62 - Step 4: Simplify right side
8,474,111.98x = 53,871,670,682,747 - Step 5: Solve for x
x = 53,871,670,682,747/8,474,111.98 - Step 6: Final answer
x = 6,357,205.43
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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.