Finding the Fourth Proportional to 36,765,082.80, 55,147,624.20 and 11,206,051.20
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Solution
The fourth proportional to 36,765,082.80, 55,147,624.20 and 11,206,051.20 is: 16,809,076.80
Step by Step Solution
- Step 1: Write the proportion equation
36,765,082.80 : 55,147,624.20 = 11,206,051.20 : x - Step 2: Convert to fraction form
36,765,082.80/55,147,624.20 = 11,206,051.20/x - Step 3: Cross multiply
36,765,082.80x = 55,147,624.20 × 11,206,051.20 - Step 4: Simplify right side
36,765,082.80x = 617,987,100,343,559 - Step 5: Solve for x
x = 617,987,100,343,559/36,765,082.80 - Step 6: Final answer
x = 16,809,076.80
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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.