Finding the Fourth Proportional to 8,178,709.44, 11,286,472.60 and 4,457,573.96
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Solution
The fourth proportional to 8,178,709.44, 11,286,472.60 and 4,457,573.96 is: 6,151,372.26
Step by Step Solution
- Step 1: Write the proportion equation
8,178,709.44 : 11,286,472.60 = 4,457,573.96 : x - Step 2: Convert to fraction form
8,178,709.44/11,286,472.60 = 4,457,573.96/x - Step 3: Cross multiply
8,178,709.44x = 11,286,472.60 × 4,457,573.96 - Step 4: Simplify right side
8,178,709.44x = 50,310,286,339,725.62 - Step 5: Solve for x
x = 50,310,286,339,725.62/8,178,709.44 - Step 6: Final answer
x = 6,151,372.26
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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.