Finding the Fourth Proportional to 32,275,877.82, 44,540,728.10 and 18,337,257.28
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Solution
The fourth proportional to 32,275,877.82, 44,540,728.10 and 18,337,257.28 is: 25,305,424.54
Step by Step Solution
- Step 1: Write the proportion equation
32,275,877.82 : 44,540,728.10 = 18,337,257.28 : x - Step 2: Convert to fraction form
32,275,877.82/44,540,728.10 = 18,337,257.28/x - Step 3: Cross multiply
32,275,877.82x = 44,540,728.10 × 18,337,257.28 - Step 4: Simplify right side
32,275,877.82x = 816,754,790,608,225.62 - Step 5: Solve for x
x = 816,754,790,608,225.62/32,275,877.82 - Step 6: Final answer
x = 25,305,424.54
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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.