Finding the Fourth Proportional to 8,397,195.12, 11,587,756.49 and 4,676,218.05
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Solution
The fourth proportional to 8,397,195.12, 11,587,756.49 and 4,676,218.05 is: 6,452,973.32
Step by Step Solution
- Step 1: Write the proportion equation
8,397,195.12 : 11,587,756.49 = 4,676,218.05 : x - Step 2: Convert to fraction form
8,397,195.12/11,587,756.49 = 4,676,218.05/x - Step 3: Cross multiply
8,397,195.12x = 11,587,756.49 × 4,676,218.05 - Step 4: Simplify right side
8,397,195.12x = 54,186,876,034,161.55 - Step 5: Solve for x
x = 54,186,876,034,161.55/8,397,195.12 - Step 6: Final answer
x = 6,452,973.32
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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.