Finding the Fourth Proportional to 11,397,396.63, 15,728,250.30 and 6,240,758.18
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Solution
The fourth proportional to 11,397,396.63, 15,728,250.30 and 6,240,758.18 is: 8,612,160.29
Step by Step Solution
- Step 1: Write the proportion equation
11,397,396.63 : 15,728,250.30 = 6,240,758.18 : x - Step 2: Convert to fraction form
11,397,396.63/15,728,250.30 = 6,240,758.18/x - Step 3: Cross multiply
11,397,396.63x = 15,728,250.30 × 6,240,758.18 - Step 4: Simplify right side
11,397,396.63x = 98,156,206,638,171.20 - Step 5: Solve for x
x = 98,156,206,638,171.20/11,397,396.63 - Step 6: Final answer
x = 8,612,160.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.