Finding the Fourth Proportional to 33,479,717.62, 46,207,052.84 and 20,434,557.17
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Solution
The fourth proportional to 33,479,717.62, 46,207,052.84 and 20,434,557.17 is: 28,202,766.63
Step by Step Solution
- Step 1: Write the proportion equation
33,479,717.62 : 46,207,052.84 = 20,434,557.17 : x - Step 2: Convert to fraction form
33,479,717.62/46,207,052.84 = 20,434,557.17/x - Step 3: Cross multiply
33,479,717.62x = 46,207,052.84 × 20,434,557.17 - Step 4: Simplify right side
33,479,717.62x = 944,220,662,916,191 - Step 5: Solve for x
x = 944,220,662,916,191/33,479,717.62 - Step 6: Final answer
x = 28,202,766.63
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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.