Finding the Fourth Proportional to 17,576,891.40, 26,343,218.70 and 15,586,235.40
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Solution
The fourth proportional to 17,576,891.40, 26,343,218.70 and 15,586,235.40 is: 23,359,739.70
Step by Step Solution
- Step 1: Write the proportion equation
17,576,891.40 : 26,343,218.70 = 15,586,235.40 : x - Step 2: Convert to fraction form
17,576,891.40/26,343,218.70 = 15,586,235.40/x - Step 3: Cross multiply
17,576,891.40x = 26,343,218.70 × 15,586,235.40 - Step 4: Simplify right side
17,576,891.40x = 410,591,607,851,882 - Step 5: Solve for x
x = 410,591,607,851,882/17,576,891.40 - Step 6: Final answer
x = 23,359,739.70
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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.