Finding the Fourth Proportional to 46,253,128.92, 69,383,974.44 and 15,128,962.80
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Solution
The fourth proportional to 46,253,128.92, 69,383,974.44 and 15,128,962.80 is: 22,694,844.49
Step by Step Solution
- Step 1: Write the proportion equation
46,253,128.92 : 69,383,974.44 = 15,128,962.80 : x - Step 2: Convert to fraction form
46,253,128.92/69,383,974.44 = 15,128,962.80/x - Step 3: Cross multiply
46,253,128.92x = 69,383,974.44 × 15,128,962.80 - Step 4: Simplify right side
46,253,128.92x = 1,049,707,568,218,910.88 - Step 5: Solve for x
x = 1,049,707,568,218,910.88/46,253,128.92 - Step 6: Final answer
x = 22,694,844.49
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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.