Finding the Fourth Proportional to 7,372,165.38, 10,173,635.42 and 4,109,186.99
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Solution
The fourth proportional to 7,372,165.38, 10,173,635.42 and 4,109,186.99 is: 5,670,704.34
Step by Step Solution
- Step 1: Write the proportion equation
7,372,165.38 : 10,173,635.42 = 4,109,186.99 : x - Step 2: Convert to fraction form
7,372,165.38/10,173,635.42 = 4,109,186.99/x - Step 3: Cross multiply
7,372,165.38x = 10,173,635.42 × 4,109,186.99 - Step 4: Simplify right side
7,372,165.38x = 41,805,370,237,453.07 - Step 5: Solve for x
x = 41,805,370,237,453.07/7,372,165.38 - Step 6: Final answer
x = 5,670,704.34
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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.