Finding the Fourth Proportional to 12,305,504.88, 16,981,496.73 and 6,798,861.99
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Solution
The fourth proportional to 12,305,504.88, 16,981,496.73 and 6,798,861.99 is: 9,382,374.29
Step by Step Solution
- Step 1: Write the proportion equation
12,305,504.88 : 16,981,496.73 = 6,798,861.99 : x - Step 2: Convert to fraction form
12,305,504.88/16,981,496.73 = 6,798,861.99/x - Step 3: Cross multiply
12,305,504.88x = 16,981,496.73 × 6,798,861.99 - Step 4: Simplify right side
12,305,504.88x = 115,454,852,650,906.30 - Step 5: Solve for x
x = 115,454,852,650,906.30/12,305,504.88 - Step 6: Final answer
x = 9,382,374.29
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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.