Finding the Fourth Proportional to 36,171,689.92, 49,904,586.60 and 22,415,634.88
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Solution
The fourth proportional to 36,171,689.92, 49,904,586.60 and 22,415,634.88 is: 30,925,925.62
Step by Step Solution
- Step 1: Write the proportion equation
36,171,689.92 : 49,904,586.60 = 22,415,634.88 : x - Step 2: Convert to fraction form
36,171,689.92/49,904,586.60 = 22,415,634.88/x - Step 3: Cross multiply
36,171,689.92x = 49,904,586.60 × 22,415,634.88 - Step 4: Simplify right side
36,171,689.92x = 1,118,642,992,062,940.62 - Step 5: Solve for x
x = 1,118,642,992,062,940.62/36,171,689.92 - Step 6: Final answer
x = 30,925,925.62
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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.