Finding the Fourth Proportional to 17,396,871.90, 24,006,906.39 and 10,431,394.62
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Solution
The fourth proportional to 17,396,871.90, 24,006,906.39 and 10,431,394.62 is: 14,394,858.78
Step by Step Solution
- Step 1: Write the proportion equation
17,396,871.90 : 24,006,906.39 = 10,431,394.62 : x - Step 2: Convert to fraction form
17,396,871.90/24,006,906.39 = 10,431,394.62/x - Step 3: Cross multiply
17,396,871.90x = 24,006,906.39 × 10,431,394.62 - Step 4: Simplify right side
17,396,871.90x = 250,425,514,159,489.59 - Step 5: Solve for x
x = 250,425,514,159,489.59/17,396,871.90 - Step 6: Final answer
x = 14,394,858.78
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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.