Finding the Fourth Proportional to 11,993,761.36, 16,551,781.86 and 6,561,253.36
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Solution
The fourth proportional to 11,993,761.36, 16,551,781.86 and 6,561,253.36 is: 9,054,743.64
Step by Step Solution
- Step 1: Write the proportion equation
11,993,761.36 : 16,551,781.86 = 6,561,253.36 : x - Step 2: Convert to fraction form
11,993,761.36/16,551,781.86 = 6,561,253.36/x - Step 3: Cross multiply
11,993,761.36x = 16,551,781.86 × 6,561,253.36 - Step 4: Simplify right side
11,993,761.36x = 108,600,434,342,912.05 - Step 5: Solve for x
x = 108,600,434,342,912.05/11,993,761.36 - Step 6: Final answer
x = 9,054,743.64
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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.