Finding the Fourth Proportional to 29,338,879.19, 40,491,863.62 and 17,578,611.99
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Solution
The fourth proportional to 29,338,879.19, 40,491,863.62 and 17,578,611.99 is: 24,261,007.20
Step by Step Solution
- Step 1: Write the proportion equation
29,338,879.19 : 40,491,863.62 = 17,578,611.99 : x - Step 2: Convert to fraction form
29,338,879.19/40,491,863.62 = 17,578,611.99/x - Step 3: Cross multiply
29,338,879.19x = 40,491,863.62 × 17,578,611.99 - Step 4: Simplify right side
29,338,879.19x = 711,790,759,284,030.25 - Step 5: Solve for x
x = 711,790,759,284,030.25/29,338,879.19 - Step 6: Final answer
x = 24,261,007.20
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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.