Finding the Fourth Proportional to 11,302,915.20, 16,952,001.12 and 3,728,106.24
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Solution
The fourth proportional to 11,302,915.20, 16,952,001.12 and 3,728,106.24 is: 5,591,377.09
Step by Step Solution
- Step 1: Write the proportion equation
11,302,915.20 : 16,952,001.12 = 3,728,106.24 : x - Step 2: Convert to fraction form
11,302,915.20/16,952,001.12 = 3,728,106.24/x - Step 3: Cross multiply
11,302,915.20x = 16,952,001.12 × 3,728,106.24 - Step 4: Simplify right side
11,302,915.20x = 63,198,861,155,959 - Step 5: Solve for x
x = 63,198,861,155,959/11,302,915.20 - Step 6: Final answer
x = 5,591,377.09
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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.