Finding the Fourth Proportional to 21,474,104.24, 29,635,490.04 and 12,308,273.84
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Solution
The fourth proportional to 21,474,104.24, 29,635,490.04 and 12,308,273.84 is: 16,986,120.71
Step by Step Solution
- Step 1: Write the proportion equation
21,474,104.24 : 29,635,490.04 = 12,308,273.84 : x - Step 2: Convert to fraction form
21,474,104.24/29,635,490.04 = 12,308,273.84/x - Step 3: Cross multiply
21,474,104.24x = 29,635,490.04 × 12,308,273.84 - Step 4: Simplify right side
21,474,104.24x = 364,761,726,794,912.56 - Step 5: Solve for x
x = 364,761,726,794,912.56/21,474,104.24 - Step 6: Final answer
x = 16,986,120.71
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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.