Finding the Fourth Proportional to 8,107,716.18, 11,188,647.87 and 4,436,633.02
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Solution
The fourth proportional to 8,107,716.18, 11,188,647.87 and 4,436,633.02 is: 6,122,553.32
Step by Step Solution
- Step 1: Write the proportion equation
8,107,716.18 : 11,188,647.87 = 4,436,633.02 : x - Step 2: Convert to fraction form
8,107,716.18/11,188,647.87 = 4,436,633.02/x - Step 3: Cross multiply
8,107,716.18x = 11,188,647.87 × 4,436,633.02 - Step 4: Simplify right side
8,107,716.18x = 49,639,924,589,194.66 - Step 5: Solve for x
x = 49,639,924,589,194.66/8,107,716.18 - Step 6: Final answer
x = 6,122,553.32
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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.