Finding the Fourth Proportional to 11,148,379.92, 15,383,967.84 and 6,187,087.44
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Solution
The fourth proportional to 11,148,379.92, 15,383,967.84 and 6,187,087.44 is: 8,537,738.66
Step by Step Solution
- Step 1: Write the proportion equation
11,148,379.92 : 15,383,967.84 = 6,187,087.44 : x - Step 2: Convert to fraction form
11,148,379.92/15,383,967.84 = 6,187,087.44/x - Step 3: Cross multiply
11,148,379.92x = 15,383,967.84 × 6,187,087.44 - Step 4: Simplify right side
11,148,379.92x = 95,181,954,200,227.94 - Step 5: Solve for x
x = 95,181,954,200,227.94/11,148,379.92 - Step 6: Final answer
x = 8,537,738.66
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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.