Finding the Fourth Proportional to 7,741,311.08, 11,613,363.86 and 3,189,872.48
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Solution
The fourth proportional to 7,741,311.08, 11,613,363.86 and 3,189,872.48 is: 4,785,384.46
Step by Step Solution
- Step 1: Write the proportion equation
7,741,311.08 : 11,613,363.86 = 3,189,872.48 : x - Step 2: Convert to fraction form
7,741,311.08/11,613,363.86 = 3,189,872.48/x - Step 3: Cross multiply
7,741,311.08x = 11,613,363.86 × 3,189,872.48 - Step 4: Simplify right side
7,741,311.08x = 37,045,149,727,148.44 - Step 5: Solve for x
x = 37,045,149,727,148.44/7,741,311.08 - Step 6: Final answer
x = 4,785,384.46
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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.