Finding the Fourth Proportional to 8,397,194.62, 11,587,755.80 and 4,676,217.55
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Solution
The fourth proportional to 8,397,194.62, 11,587,755.80 and 4,676,217.55 is: 6,452,972.63
Step by Step Solution
- Step 1: Write the proportion equation
8,397,194.62 : 11,587,755.80 = 4,676,217.55 : x - Step 2: Convert to fraction form
8,397,194.62/11,587,755.80 = 4,676,217.55/x - Step 3: Cross multiply
8,397,194.62x = 11,587,755.80 × 4,676,217.55 - Step 4: Simplify right side
8,397,194.62x = 54,186,867,013,693.20 - Step 5: Solve for x
x = 54,186,867,013,693.20/8,397,194.62 - Step 6: Final answer
x = 6,452,972.63
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1.5x scale
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.