Finding the Fourth Proportional to 10,273,845.26, 15,412,976.45 and 2,987,431.62
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Solution
The fourth proportional to 10,273,845.26, 15,412,976.45 and 2,987,431.62 is: 4,481,789.64
Step by Step Solution
- Step 1: Write the proportion equation
10,273,845.26 : 15,412,976.45 = 2,987,431.62 : x - Step 2: Convert to fraction form
10,273,845.26/15,412,976.45 = 2,987,431.62/x - Step 3: Cross multiply
10,273,845.26x = 15,412,976.45 × 2,987,431.62 - Step 4: Simplify right side
10,273,845.26x = 46,045,213,212,513.93 - Step 5: Solve for x
x = 46,045,213,212,513.93/10,273,845.26 - Step 6: Final answer
x = 4,481,789.64
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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.