Finding the Fourth Proportional to 10,787,755.20, 16,187,853.60 and 4,060,996.80
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Solution
The fourth proportional to 10,787,755.20, 16,187,853.60 and 4,060,996.80 is: 6,093,836.99
Step by Step Solution
- Step 1: Write the proportion equation
10,787,755.20 : 16,187,853.60 = 4,060,996.80 : x - Step 2: Convert to fraction form
10,787,755.20/16,187,853.60 = 4,060,996.80/x - Step 3: Cross multiply
10,787,755.20x = 16,187,853.60 × 4,060,996.80 - Step 4: Simplify right side
10,787,755.20x = 65,738,821,668,468.48 - Step 5: Solve for x
x = 65,738,821,668,468.48/10,787,755.20 - Step 6: Final answer
x = 6,093,836.99
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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.