Finding the Fourth Proportional to 17,576,777.40, 26,343,047.70 and 15,586,121.40
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Solution
The fourth proportional to 17,576,777.40, 26,343,047.70 and 15,586,121.40 is: 23,359,568.72
Step by Step Solution
- Step 1: Write the proportion equation
17,576,777.40 : 26,343,047.70 = 15,586,121.40 : x - Step 2: Convert to fraction form
17,576,777.40/26,343,047.70 = 15,586,121.40/x - Step 3: Cross multiply
17,576,777.40x = 26,343,047.70 × 15,586,121.40 - Step 4: Simplify right side
17,576,777.40x = 410,585,939,498,190.75 - Step 5: Solve for x
x = 410,585,939,498,190.75/17,576,777.40 - Step 6: Final answer
x = 23,359,568.72
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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.