Finding the Fourth Proportional to 8,229,731.10, 12,342,611.34 and 3,434,821.08
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Solution
The fourth proportional to 8,229,731.10, 12,342,611.34 and 3,434,821.08 is: 5,151,403.02
Step by Step Solution
- Step 1: Write the proportion equation
8,229,731.10 : 12,342,611.34 = 3,434,821.08 : x - Step 2: Convert to fraction form
8,229,731.10/12,342,611.34 = 3,434,821.08/x - Step 3: Cross multiply
8,229,731.10x = 12,342,611.34 × 3,434,821.08 - Step 4: Simplify right side
8,229,731.10x = 42,394,661,612,879.05 - Step 5: Solve for x
x = 42,394,661,612,879.05/8,229,731.10 - Step 6: Final answer
x = 5,151,403.02
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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.