Finding the Fourth Proportional to 38,846,424.26, 53,608,057.39 and 21,442,764.94
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Solution
The fourth proportional to 38,846,424.26, 53,608,057.39 and 21,442,764.94 is: 29,591,011.15
Step by Step Solution
- Step 1: Write the proportion equation
38,846,424.26 : 53,608,057.39 = 21,442,764.94 : x - Step 2: Convert to fraction form
38,846,424.26/53,608,057.39 = 21,442,764.94/x - Step 3: Cross multiply
38,846,424.26x = 53,608,057.39 × 21,442,764.94 - Step 4: Simplify right side
38,846,424.26x = 1,149,504,973,503,800 - Step 5: Solve for x
x = 1,149,504,973,503,800/38,846,424.26 - Step 6: Final answer
x = 29,591,011.15
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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.