Finding the Fourth Proportional to 18,376,212.87, 27,564,131.28 and 4,729,305.87
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Solution
The fourth proportional to 18,376,212.87, 27,564,131.28 and 4,729,305.87 is: 7,093,910.41
Step by Step Solution
- Step 1: Write the proportion equation
18,376,212.87 : 27,564,131.28 = 4,729,305.87 : x - Step 2: Convert to fraction form
18,376,212.87/27,564,131.28 = 4,729,305.87/x - Step 3: Cross multiply
18,376,212.87x = 27,564,131.28 × 4,729,305.87 - Step 4: Simplify right side
18,376,212.87x = 130,359,207,863,954.62 - Step 5: Solve for x
x = 130,359,207,863,954.62/18,376,212.87 - Step 6: Final answer
x = 7,093,910.41
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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.