Finding the Fourth Proportional to 14,387,034.92, 19,854,129.54 and 8,192,086.68
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Solution
The fourth proportional to 14,387,034.92, 19,854,129.54 and 8,192,086.68 is: 11,305,091.78
Step by Step Solution
- Step 1: Write the proportion equation
14,387,034.92 : 19,854,129.54 = 8,192,086.68 : x - Step 2: Convert to fraction form
14,387,034.92/19,854,129.54 = 8,192,086.68/x - Step 3: Cross multiply
14,387,034.92x = 19,854,129.54 × 8,192,086.68 - Step 4: Simplify right side
14,387,034.92x = 162,646,750,147,628.50 - Step 5: Solve for x
x = 162,646,750,147,628.50/14,387,034.92 - Step 6: Final answer
x = 11,305,091.78
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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.