Finding the Fourth Proportional to 31,529,863.62, 43,511,192.55 and 17,043,175.62
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Solution
The fourth proportional to 31,529,863.62, 43,511,192.55 and 17,043,175.62 is: 23,519,571.95
Step by Step Solution
- Step 1: Write the proportion equation
31,529,863.62 : 43,511,192.55 = 17,043,175.62 : x - Step 2: Convert to fraction form
31,529,863.62/43,511,192.55 = 17,043,175.62/x - Step 3: Cross multiply
31,529,863.62x = 43,511,192.55 × 17,043,175.62 - Step 4: Simplify right side
31,529,863.62x = 741,568,896,065,285.62 - Step 5: Solve for x
x = 741,568,896,065,285.62/31,529,863.62 - Step 6: Final answer
x = 23,519,571.95
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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.