Finding the Fourth Proportional to 11,997,714.10, 18,001,755.70 and 6,451,767.62
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Solution
The fourth proportional to 11,997,714.10, 18,001,755.70 and 6,451,767.62 is: 9,680,439.42
Step by Step Solution
- Step 1: Write the proportion equation
11,997,714.10 : 18,001,755.70 = 6,451,767.62 : x - Step 2: Convert to fraction form
11,997,714.10/18,001,755.70 = 6,451,767.62/x - Step 3: Cross multiply
11,997,714.10x = 18,001,755.70 × 6,451,767.62 - Step 4: Simplify right side
11,997,714.10x = 116,143,144,603,135.75 - Step 5: Solve for x
x = 116,143,144,603,135.75/11,997,714.10 - Step 6: Final answer
x = 9,680,439.42
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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.