Finding the Fourth Proportional to 8,836,137.72, 12,193,942.70 and 4,968,625.05
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Solution
The fourth proportional to 8,836,137.72, 12,193,942.70 and 4,968,625.05 is: 6,856,743.42
Step by Step Solution
- Step 1: Write the proportion equation
8,836,137.72 : 12,193,942.70 = 4,968,625.05 : x - Step 2: Convert to fraction form
8,836,137.72/12,193,942.70 = 4,968,625.05/x - Step 3: Cross multiply
8,836,137.72x = 12,193,942.70 × 4,968,625.05 - Step 4: Simplify right side
8,836,137.72x = 60,587,129,169,906.20 - Step 5: Solve for x
x = 60,587,129,169,906.20/8,836,137.72 - Step 6: Final answer
x = 6,856,743.42
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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.