Finding the Fourth Proportional to 16,178,964.40, 24,268,446.60 and 11,661,715.90
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Solution
The fourth proportional to 16,178,964.40, 24,268,446.60 and 11,661,715.90 is: 17,492,573.85
Step by Step Solution
- Step 1: Write the proportion equation
16,178,964.40 : 24,268,446.60 = 11,661,715.90 : x - Step 2: Convert to fraction form
16,178,964.40/24,268,446.60 = 11,661,715.90/x - Step 3: Cross multiply
16,178,964.40x = 24,268,446.60 × 11,661,715.90 - Step 4: Simplify right side
16,178,964.40x = 283,011,729,583,520.94 - Step 5: Solve for x
x = 283,011,729,583,520.94/16,178,964.40 - Step 6: Final answer
x = 17,492,573.85
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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.