Finding the Fourth Proportional to 8,178,861.82, 11,286,368.72 and 4,507,767.26
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Solution
The fourth proportional to 8,178,861.82, 11,286,368.72 and 4,507,767.26 is: 6,220,464.97
Step by Step Solution
- Step 1: Write the proportion equation
8,178,861.82 : 11,286,368.72 = 4,507,767.26 : x - Step 2: Convert to fraction form
8,178,861.82/11,286,368.72 = 4,507,767.26/x - Step 3: Cross multiply
8,178,861.82x = 11,286,368.72 × 4,507,767.26 - Step 4: Simplify right side
8,178,861.82x = 50,876,323,400,304.11 - Step 5: Solve for x
x = 50,876,323,400,304.11/8,178,861.82 - Step 6: Final answer
x = 6,220,464.97
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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.