Finding the Fourth Proportional to 27,410,990.96, 37,844,367.82 and 17,638,418.79
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Solution
The fourth proportional to 27,410,990.96, 37,844,367.82 and 17,638,418.79 is: 24,352,085.97
Step by Step Solution
- Step 1: Write the proportion equation
27,410,990.96 : 37,844,367.82 = 17,638,418.79 : x - Step 2: Convert to fraction form
27,410,990.96/37,844,367.82 = 17,638,418.79/x - Step 3: Cross multiply
27,410,990.96x = 37,844,367.82 × 17,638,418.79 - Step 4: Simplify right side
27,410,990.96x = 667,514,808,407,863.25 - Step 5: Solve for x
x = 667,514,808,407,863.25/27,410,990.96 - Step 6: Final answer
x = 24,352,085.97
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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.