Finding the Fourth Proportional to 11,863,629.44, 17,796,843.84 and 8,890,709.12
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Solution
The fourth proportional to 11,863,629.44, 17,796,843.84 and 8,890,709.12 is: 13,337,112.61
Step by Step Solution
- Step 1: Write the proportion equation
11,863,629.44 : 17,796,843.84 = 8,890,709.12 : x - Step 2: Convert to fraction form
11,863,629.44/17,796,843.84 = 8,890,709.12/x - Step 3: Cross multiply
11,863,629.44x = 17,796,843.84 × 8,890,709.12 - Step 4: Simplify right side
11,863,629.44x = 158,226,561,835,503.81 - Step 5: Solve for x
x = 158,226,561,835,503.81/11,863,629.44 - Step 6: Final answer
x = 13,337,112.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.