Finding the Fourth Proportional to 8,067,872.74, 11,133,666.09 and 4,396,790.14
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Solution
The fourth proportional to 8,067,872.74, 11,133,666.09 and 4,396,790.14 is: 6,067,571.32
Step by Step Solution
- Step 1: Write the proportion equation
8,067,872.74 : 11,133,666.09 = 4,396,790.14 : x - Step 2: Convert to fraction form
8,067,872.74/11,133,666.09 = 4,396,790.14/x - Step 3: Cross multiply
8,067,872.74x = 11,133,666.09 × 4,396,790.14 - Step 4: Simplify right side
8,067,872.74x = 48,952,393,286,564.35 - Step 5: Solve for x
x = 48,952,393,286,564.35/8,067,872.74 - Step 6: Final answer
x = 6,067,571.32
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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.