Finding the Fourth Proportional to 21,048,238.25, 31,575,350.22 and 6,476,365.99
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Solution
The fourth proportional to 21,048,238.25, 31,575,350.22 and 6,476,365.99 is: 9,715,469.86
Step by Step Solution
- Step 1: Write the proportion equation
21,048,238.25 : 31,575,350.22 = 6,476,365.99 : x - Step 2: Convert to fraction form
21,048,238.25/31,575,350.22 = 6,476,365.99/x - Step 3: Cross multiply
21,048,238.25x = 31,575,350.22 × 6,476,365.99 - Step 4: Simplify right side
21,048,238.25x = 204,493,524,287,147.03 - Step 5: Solve for x
x = 204,493,524,287,147.03/21,048,238.25 - Step 6: Final answer
x = 9,715,469.86
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.