Finding the Fourth Proportional to 36,644,629.24, 50,589,221.28 and 28,253,672.47
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Solution
The fourth proportional to 36,644,629.24, 50,589,221.28 and 28,253,672.47 is: 39,005,205.35
Step by Step Solution
- Step 1: Write the proportion equation
36,644,629.24 : 50,589,221.28 = 28,253,672.47 : x - Step 2: Convert to fraction form
36,644,629.24/50,589,221.28 = 28,253,672.47/x - Step 3: Cross multiply
36,644,629.24x = 50,589,221.28 × 28,253,672.47 - Step 4: Simplify right side
36,644,629.24x = 1,429,331,288,557,474.25 - Step 5: Solve for x
x = 1,429,331,288,557,474.25/36,644,629.24 - Step 6: Final answer
x = 39,005,205.35
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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.