Finding the Fourth Proportional to 21,048,238.75, 31,575,350.97 and 6,476,366.49
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Solution
The fourth proportional to 21,048,238.75, 31,575,350.97 and 6,476,366.49 is: 9,715,470.61
Step by Step Solution
- Step 1: Write the proportion equation
21,048,238.75 : 31,575,350.97 = 6,476,366.49 : x - Step 2: Convert to fraction form
21,048,238.75/31,575,350.97 = 6,476,366.49/x - Step 3: Cross multiply
21,048,238.75x = 31,575,350.97 × 6,476,366.49 - Step 4: Simplify right side
21,048,238.75x = 204,493,544,932,097 - Step 5: Solve for x
x = 204,493,544,932,097/21,048,238.75 - Step 6: Final answer
x = 9,715,470.61
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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.