Finding the Fourth Proportional to 11,874,117.92, 16,384,900.32 and 6,647,412.29
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Solution
The fourth proportional to 11,874,117.92, 16,384,900.32 and 6,647,412.29 is: 9,172,655.05
Step by Step Solution
- Step 1: Write the proportion equation
11,874,117.92 : 16,384,900.32 = 6,647,412.29 : x - Step 2: Convert to fraction form
11,874,117.92/16,384,900.32 = 6,647,412.29/x - Step 3: Cross multiply
11,874,117.92x = 16,384,900.32 × 6,647,412.29 - Step 4: Simplify right side
11,874,117.92x = 108,917,187,675,668.44 - Step 5: Solve for x
x = 108,917,187,675,668.44/11,874,117.92 - Step 6: Final answer
x = 9,172,655.05
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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.