Finding the Fourth Proportional to 13,167,236.01, 18,170,812.26 and 7,366,114.65
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Solution
The fourth proportional to 13,167,236.01, 18,170,812.26 and 7,366,114.65 is: 10,165,253.08
Step by Step Solution
- Step 1: Write the proportion equation
13,167,236.01 : 18,170,812.26 = 7,366,114.65 : x - Step 2: Convert to fraction form
13,167,236.01/18,170,812.26 = 7,366,114.65/x - Step 3: Cross multiply
13,167,236.01x = 18,170,812.26 × 7,366,114.65 - Step 4: Simplify right side
13,167,236.01x = 133,848,286,390,785.62 - Step 5: Solve for x
x = 133,848,286,390,785.62/13,167,236.01 - Step 6: Final answer
x = 10,165,253.08
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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.