Finding the Fourth Proportional to 11,874,120.42, 16,384,903.77 and 6,647,414.79
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Solution
The fourth proportional to 11,874,120.42, 16,384,903.77 and 6,647,414.79 is: 9,172,658.50
Step by Step Solution
- Step 1: Write the proportion equation
11,874,120.42 : 16,384,903.77 = 6,647,414.79 : x - Step 2: Convert to fraction form
11,874,120.42/16,384,903.77 = 6,647,414.79/x - Step 3: Cross multiply
11,874,120.42x = 16,384,903.77 × 6,647,414.79 - Step 4: Simplify right side
11,874,120.42x = 108,917,251,653,424.75 - Step 5: Solve for x
x = 108,917,251,653,424.75/11,874,120.42 - Step 6: Final answer
x = 9,172,658.50
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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.