Finding the Fourth Proportional to 25,537,880.75, 35,226,546.24 and 18,198,085.49
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Solution
The fourth proportional to 25,537,880.75, 35,226,546.24 and 18,198,085.49 is: 25,102,149.49
Step by Step Solution
- Step 1: Write the proportion equation
25,537,880.75 : 35,226,546.24 = 18,198,085.49 : x - Step 2: Convert to fraction form
25,537,880.75/35,226,546.24 = 18,198,085.49/x - Step 3: Cross multiply
25,537,880.75x = 35,226,546.24 × 18,198,085.49 - Step 4: Simplify right side
25,537,880.75x = 641,055,700,017,167.62 - Step 5: Solve for x
x = 641,055,700,017,167.62/25,537,880.75 - Step 6: Final answer
x = 25,102,149.49
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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.