Finding the Fourth Proportional to 11,073,115.80, 16,609,673.70 and 5,101,147.80
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Solution
The fourth proportional to 11,073,115.80, 16,609,673.70 and 5,101,147.80 is: 7,651,721.70
Step by Step Solution
- Step 1: Write the proportion equation
11,073,115.80 : 16,609,673.70 = 5,101,147.80 : x - Step 2: Convert to fraction form
11,073,115.80/16,609,673.70 = 5,101,147.80/x - Step 3: Cross multiply
11,073,115.80x = 16,609,673.70 × 5,101,147.80 - Step 4: Simplify right side
11,073,115.80x = 84,728,400,453,472.86 - Step 5: Solve for x
x = 84,728,400,453,472.86/11,073,115.80 - Step 6: Final answer
x = 7,651,721.70
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1.5x scale
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.