Finding the Fourth Proportional to 11,652,992.16, 16,081,198.56 and 6,761,127.84
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Solution
The fourth proportional to 11,652,992.16, 16,081,198.56 and 6,761,127.84 is: 9,330,396.67
Step by Step Solution
- Step 1: Write the proportion equation
11,652,992.16 : 16,081,198.56 = 6,761,127.84 : x - Step 2: Convert to fraction form
11,652,992.16/16,081,198.56 = 6,761,127.84/x - Step 3: Cross multiply
11,652,992.16x = 16,081,198.56 × 6,761,127.84 - Step 4: Simplify right side
11,652,992.16x = 108,727,039,284,583.91 - Step 5: Solve for x
x = 108,727,039,284,583.91/11,652,992.16 - Step 6: Final answer
x = 9,330,396.67
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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.