Finding the Fourth Proportional to 25,361,231.59, 34,998,512.26 and 13,758,791.99
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Solution
The fourth proportional to 25,361,231.59, 34,998,512.26 and 13,758,791.99 is: 18,987,139.82
Step by Step Solution
- Step 1: Write the proportion equation
25,361,231.59 : 34,998,512.26 = 13,758,791.99 : x - Step 2: Convert to fraction form
25,361,231.59/34,998,512.26 = 13,758,791.99/x - Step 3: Cross multiply
25,361,231.59x = 34,998,512.26 × 13,758,791.99 - Step 4: Simplify right side
25,361,231.59x = 481,537,250,144,804.75 - Step 5: Solve for x
x = 481,537,250,144,804.75/25,361,231.59 - Step 6: Final answer
x = 18,987,139.82
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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.