Finding the Fourth Proportional to 29,182,727.82, 40,273,020.84 and 15,952,635.88
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Solution
The fourth proportional to 29,182,727.82, 40,273,020.84 and 15,952,635.88 is: 22,015,105.69
Step by Step Solution
- Step 1: Write the proportion equation
29,182,727.82 : 40,273,020.84 = 15,952,635.88 : x - Step 2: Convert to fraction form
29,182,727.82/40,273,020.84 = 15,952,635.88/x - Step 3: Cross multiply
29,182,727.82x = 40,273,020.84 × 15,952,635.88 - Step 4: Simplify right side
29,182,727.82x = 642,460,837,187,370.75 - Step 5: Solve for x
x = 642,460,837,187,370.75/29,182,727.82 - Step 6: Final answer
x = 22,015,105.69
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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.