Finding the Fourth Proportional to 29,668,112.88, 44,422,436.97 and 18,826,716.48
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Solution
The fourth proportional to 29,668,112.88, 44,422,436.97 and 18,826,716.48 is: 28,189,478.37
Step by Step Solution
- Step 1: Write the proportion equation
29,668,112.88 : 44,422,436.97 = 18,826,716.48 : x - Step 2: Convert to fraction form
29,668,112.88/44,422,436.97 = 18,826,716.48/x - Step 3: Cross multiply
29,668,112.88x = 44,422,436.97 × 18,826,716.48 - Step 4: Simplify right side
29,668,112.88x = 836,328,626,184,860.25 - Step 5: Solve for x
x = 836,328,626,184,860.25/29,668,112.88 - Step 6: Final answer
x = 28,189,478.37
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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.