Finding the Fourth Proportional to 27,860,163.40, 41,790,245.10 and 8,690,889.70
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Solution
The fourth proportional to 27,860,163.40, 41,790,245.10 and 8,690,889.70 is: 13,036,334.55
Step by Step Solution
- Step 1: Write the proportion equation
27,860,163.40 : 41,790,245.10 = 8,690,889.70 : x - Step 2: Convert to fraction form
27,860,163.40/41,790,245.10 = 8,690,889.70/x - Step 3: Cross multiply
27,860,163.40x = 41,790,245.10 × 8,690,889.70 - Step 4: Simplify right side
27,860,163.40x = 363,194,410,700,065.44 - Step 5: Solve for x
x = 363,194,410,700,065.44/27,860,163.40 - Step 6: Final answer
x = 13,036,334.55
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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.