Finding the Fourth Proportional to 8,177,721.66, 11,284,991.28 and 4,693,633.92
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Solution
The fourth proportional to 8,177,721.66, 11,284,991.28 and 4,693,633.92 is: 6,477,062.94
Step by Step Solution
- Step 1: Write the proportion equation
8,177,721.66 : 11,284,991.28 = 4,693,633.92 : x - Step 2: Convert to fraction form
8,177,721.66/11,284,991.28 = 4,693,633.92/x - Step 3: Cross multiply
8,177,721.66x = 11,284,991.28 × 4,693,633.92 - Step 4: Simplify right side
8,177,721.66x = 52,967,617,858,712.21 - Step 5: Solve for x
x = 52,967,617,858,712.21/8,177,721.66 - Step 6: Final answer
x = 6,477,062.94
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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.