Finding the Fourth Proportional to 15,839,843.26, 21,858,983.68 and 8,596,499.26
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Solution
The fourth proportional to 15,839,843.26, 21,858,983.68 and 8,596,499.26 is: 11,863,168.97
Step by Step Solution
- Step 1: Write the proportion equation
15,839,843.26 : 21,858,983.68 = 8,596,499.26 : x - Step 2: Convert to fraction form
15,839,843.26/21,858,983.68 = 8,596,499.26/x - Step 3: Cross multiply
15,839,843.26x = 21,858,983.68 × 8,596,499.26 - Step 4: Simplify right side
15,839,843.26x = 187,910,737,029,472.06 - Step 5: Solve for x
x = 187,910,737,029,472.06/15,839,843.26 - Step 6: Final answer
x = 11,863,168.97
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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.