Finding the Fourth Proportional to 27,306,960.62, 37,683,490.82 and 15,083,817.62
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Solution
The fourth proportional to 27,306,960.62, 37,683,490.82 and 15,083,817.62 is: 20,815,604.88
Step by Step Solution
- Step 1: Write the proportion equation
27,306,960.62 : 37,683,490.82 = 15,083,817.62 : x - Step 2: Convert to fraction form
27,306,960.62/37,683,490.82 = 15,083,817.62/x - Step 3: Cross multiply
27,306,960.62x = 37,683,490.82 × 15,083,817.62 - Step 4: Simplify right side
27,306,960.62x = 568,410,902,813,824.25 - Step 5: Solve for x
x = 568,410,902,813,824.25/27,306,960.62 - Step 6: Final answer
x = 20,815,604.88
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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.