Finding the Fourth Proportional to 33,302,324.92, 45,958,218.08 and 18,618,609.84
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Solution
The fourth proportional to 33,302,324.92, 45,958,218.08 and 18,618,609.84 is: 25,694,246.08
Step by Step Solution
- Step 1: Write the proportion equation
33,302,324.92 : 45,958,218.08 = 18,618,609.84 : x - Step 2: Convert to fraction form
33,302,324.92/45,958,218.08 = 18,618,609.84/x - Step 3: Cross multiply
33,302,324.92x = 45,958,218.08 × 18,618,609.84 - Step 4: Simplify right side
33,302,324.92x = 855,678,131,373,153.88 - Step 5: Solve for x
x = 855,678,131,373,153.88/33,302,324.92 - Step 6: Final answer
x = 25,694,246.08
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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.