Finding the Fourth Proportional to 8,107,891.94, 11,188,717.98 and 4,436,793.74
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Solution
The fourth proportional to 8,107,891.94, 11,188,717.98 and 4,436,793.74 is: 6,122,680.75
Step by Step Solution
- Step 1: Write the proportion equation
8,107,891.94 : 11,188,717.98 = 4,436,793.74 : x - Step 2: Convert to fraction form
8,107,891.94/11,188,717.98 = 4,436,793.74/x - Step 3: Cross multiply
8,107,891.94x = 11,188,717.98 × 4,436,793.74 - Step 4: Simplify right side
8,107,891.94x = 49,642,033,892,289.45 - Step 5: Solve for x
x = 49,642,033,892,289.45/8,107,891.94 - Step 6: Final answer
x = 6,122,680.75
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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.