Finding the Fourth Proportional to 7,259,757.80, 10,896,365.90 and 3,668,049.11
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Solution
The fourth proportional to 7,259,757.80, 10,896,365.90 and 3,668,049.11 is: 5,505,473.65
Step by Step Solution
- Step 1: Write the proportion equation
7,259,757.80 : 10,896,365.90 = 3,668,049.11 : x - Step 2: Convert to fraction form
7,259,757.80/10,896,365.90 = 3,668,049.11/x - Step 3: Cross multiply
7,259,757.80x = 10,896,365.90 × 3,668,049.11 - Step 4: Simplify right side
7,259,757.80x = 39,968,405,278,140.38 - Step 5: Solve for x
x = 39,968,405,278,140.38/7,259,757.80 - Step 6: Final answer
x = 5,505,473.65
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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.