Finding the Fourth Proportional to 11,816,033.87, 17,716,964.11 and 5,418,271.55
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Solution
The fourth proportional to 11,816,033.87, 17,716,964.11 and 5,418,271.55 is: 8,124,157.70
Step by Step Solution
- Step 1: Write the proportion equation
11,816,033.87 : 17,716,964.11 = 5,418,271.55 : x - Step 2: Convert to fraction form
11,816,033.87/17,716,964.11 = 5,418,271.55/x - Step 3: Cross multiply
11,816,033.87x = 17,716,964.11 × 5,418,271.55 - Step 4: Simplify right side
11,816,033.87x = 95,995,322,589,584.06 - Step 5: Solve for x
x = 95,995,322,589,584.06/11,816,033.87 - Step 6: Final answer
x = 8,124,157.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.