Finding the Fourth Proportional to 17,691,583.91, 24,421,918.84 and 11,893,728.38
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Solution
The fourth proportional to 17,691,583.91, 24,421,918.84 and 11,893,728.38 is: 16,418,409.49
Step by Step Solution
- Step 1: Write the proportion equation
17,691,583.91 : 24,421,918.84 = 11,893,728.38 : x - Step 2: Convert to fraction form
17,691,583.91/24,421,918.84 = 11,893,728.38/x - Step 3: Cross multiply
17,691,583.91x = 24,421,918.84 × 11,893,728.38 - Step 4: Simplify right side
17,691,583.91x = 290,467,669,049,520.75 - Step 5: Solve for x
x = 290,467,669,049,520.75/17,691,583.91 - Step 6: Final answer
x = 16,418,409.49
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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.