Finding the Fourth Proportional to 25,350,174.05, 38,019,940.01 and 7,150,112.99
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Solution
The fourth proportional to 25,350,174.05, 38,019,940.01 and 7,150,112.99 is: 10,723,668.65
Step by Step Solution
- Step 1: Write the proportion equation
25,350,174.05 : 38,019,940.01 = 7,150,112.99 : x - Step 2: Convert to fraction form
25,350,174.05/38,019,940.01 = 7,150,112.99/x - Step 3: Cross multiply
25,350,174.05x = 38,019,940.01 × 7,150,112.99 - Step 4: Simplify right side
25,350,174.05x = 271,846,866,718,671.50 - Step 5: Solve for x
x = 271,846,866,718,671.50/25,350,174.05 - Step 6: Final answer
x = 10,723,668.65
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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.