Finding the Fourth Proportional to 7,108,490.92, 9,799,514.58 and 5,067,757.48
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Solution
The fourth proportional to 7,108,490.92, 9,799,514.58 and 5,067,757.48 is: 6,986,231.52
Step by Step Solution
- Step 1: Write the proportion equation
7,108,490.92 : 9,799,514.58 = 5,067,757.48 : x - Step 2: Convert to fraction form
7,108,490.92/9,799,514.58 = 5,067,757.48/x - Step 3: Cross multiply
7,108,490.92x = 9,799,514.58 × 5,067,757.48 - Step 4: Simplify right side
7,108,490.92x = 49,661,563,313,164.06 - Step 5: Solve for x
x = 49,661,563,313,164.06/7,108,490.92 - Step 6: Final answer
x = 6,986,231.52
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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.