Finding the Fourth Proportional to 11,408,816.26, 15,744,221.26 and 6,181,823.05
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Solution
The fourth proportional to 11,408,816.26, 15,744,221.26 and 6,181,823.05 is: 8,530,945.50
Step by Step Solution
- Step 1: Write the proportion equation
11,408,816.26 : 15,744,221.26 = 6,181,823.05 : x - Step 2: Convert to fraction form
11,408,816.26/15,744,221.26 = 6,181,823.05/x - Step 3: Cross multiply
11,408,816.26x = 15,744,221.26 × 6,181,823.05 - Step 4: Simplify right side
11,408,816.26x = 97,327,989,795,192.38 - Step 5: Solve for x
x = 97,327,989,795,192.38/11,408,816.26 - Step 6: Final answer
x = 8,530,945.50
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1.5x scale
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.