Finding the Fourth Proportional to 53,120,755.99, 79,704,310.72 and 18,601,933.03
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Solution
The fourth proportional to 53,120,755.99, 79,704,310.72 and 18,601,933.03 is: 27,911,015.62
Step by Step Solution
- Step 1: Write the proportion equation
53,120,755.99 : 79,704,310.72 = 18,601,933.03 : x - Step 2: Convert to fraction form
53,120,755.99/79,704,310.72 = 18,601,933.03/x - Step 3: Cross multiply
53,120,755.99x = 79,704,310.72 × 18,601,933.03 - Step 4: Simplify right side
53,120,755.99x = 1,482,654,250,215,751.25 - Step 5: Solve for x
x = 1,482,654,250,215,751.25/53,120,755.99 - Step 6: Final answer
x = 27,911,015.62
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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.