Finding the Fourth Proportional to 6,331,186.26, 8,737,198.47 and 3,885,148.26
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Solution
The fourth proportional to 6,331,186.26, 8,737,198.47 and 3,885,148.26 is: 5,361,603.66
Step by Step Solution
- Step 1: Write the proportion equation
6,331,186.26 : 8,737,198.47 = 3,885,148.26 : x - Step 2: Convert to fraction form
6,331,186.26/8,737,198.47 = 3,885,148.26/x - Step 3: Cross multiply
6,331,186.26x = 8,737,198.47 × 3,885,148.26 - Step 4: Simplify right side
6,331,186.26x = 33,945,311,432,995.16 - Step 5: Solve for x
x = 33,945,311,432,995.16/6,331,186.26 - Step 6: Final answer
x = 5,361,603.66
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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.