Finding the Fourth Proportional to 8,354,192.80, 12,512,626.80 and 6,861,200.80
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Solution
The fourth proportional to 8,354,192.80, 12,512,626.80 and 6,861,200.80 is: 10,276,473.99
Step by Step Solution
- Step 1: Write the proportion equation
8,354,192.80 : 12,512,626.80 = 6,861,200.80 : x - Step 2: Convert to fraction form
8,354,192.80/12,512,626.80 = 6,861,200.80/x - Step 3: Cross multiply
8,354,192.80x = 12,512,626.80 × 6,861,200.80 - Step 4: Simplify right side
8,354,192.80x = 85,851,645,010,261.44 - Step 5: Solve for x
x = 85,851,645,010,261.44/8,354,192.80 - Step 6: Final answer
x = 10,276,473.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.