Finding the Fourth Proportional to 36,901,879.80, 55,352,819.70 and 16,431,559.80
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Solution
The fourth proportional to 36,901,879.80, 55,352,819.70 and 16,431,559.80 is: 24,647,339.70
Step by Step Solution
- Step 1: Write the proportion equation
36,901,879.80 : 55,352,819.70 = 16,431,559.80 : x - Step 2: Convert to fraction form
36,901,879.80/55,352,819.70 = 16,431,559.80/x - Step 3: Cross multiply
36,901,879.80x = 55,352,819.70 × 16,431,559.80 - Step 4: Simplify right side
36,901,879.80x = 909,533,166,999,168.12 - Step 5: Solve for x
x = 909,533,166,999,168.12/36,901,879.80 - Step 6: Final answer
x = 24,647,339.70
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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.