Finding the Fourth Proportional to 27,192,438.84, 40,790,013.62 and 7,764,546.32
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Solution
The fourth proportional to 27,192,438.84, 40,790,013.62 and 7,764,546.32 is: 11,647,206.49
Step by Step Solution
- Step 1: Write the proportion equation
27,192,438.84 : 40,790,013.62 = 7,764,546.32 : x - Step 2: Convert to fraction form
27,192,438.84/40,790,013.62 = 7,764,546.32/x - Step 3: Cross multiply
27,192,438.84x = 40,790,013.62 × 7,764,546.32 - Step 4: Simplify right side
27,192,438.84x = 316,715,950,145,920.88 - Step 5: Solve for x
x = 316,715,950,145,920.88/27,192,438.84 - Step 6: Final answer
x = 11,647,206.49
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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.