Finding the Fourth Proportional to 10,251,742.20, 15,367,115.70 and 5,989,716.60
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Solution
The fourth proportional to 10,251,742.20, 15,367,115.70 and 5,989,716.60 is: 8,978,441.54
Step by Step Solution
- Step 1: Write the proportion equation
10,251,742.20 : 15,367,115.70 = 5,989,716.60 : x - Step 2: Convert to fraction form
10,251,742.20/15,367,115.70 = 5,989,716.60/x - Step 3: Cross multiply
10,251,742.20x = 15,367,115.70 × 5,989,716.60 - Step 4: Simplify right side
10,251,742.20x = 92,044,668,002,410.61 - Step 5: Solve for x
x = 92,044,668,002,410.61/10,251,742.20 - Step 6: Final answer
x = 8,978,441.54
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.