Finding the Fourth Proportional to 8,244,149.40, 12,366,224.10 and 6,198,101.55
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Solution
The fourth proportional to 8,244,149.40, 12,366,224.10 and 6,198,101.55 is: 9,297,152.33
Step by Step Solution
- Step 1: Write the proportion equation
8,244,149.40 : 12,366,224.10 = 6,198,101.55 : x - Step 2: Convert to fraction form
8,244,149.40/12,366,224.10 = 6,198,101.55/x - Step 3: Cross multiply
8,244,149.40x = 12,366,224.10 × 6,198,101.55 - Step 4: Simplify right side
8,244,149.40x = 76,647,112,761,857.34 - Step 5: Solve for x
x = 76,647,112,761,857.34/8,244,149.40 - Step 6: Final answer
x = 9,297,152.33
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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.