Finding the Fourth Proportional to 10,856,207.80, 16,284,311.70 and 3,764,495.80
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Solution
The fourth proportional to 10,856,207.80, 16,284,311.70 and 3,764,495.80 is: 5,646,743.70
Step by Step Solution
- Step 1: Write the proportion equation
10,856,207.80 : 16,284,311.70 = 3,764,495.80 : x - Step 2: Convert to fraction form
10,856,207.80/16,284,311.70 = 3,764,495.80/x - Step 3: Cross multiply
10,856,207.80x = 16,284,311.70 × 3,764,495.80 - Step 4: Simplify right side
10,856,207.80x = 61,302,223,000,540.85 - Step 5: Solve for x
x = 61,302,223,000,540.85/10,856,207.80 - Step 6: Final answer
x = 5,646,743.70
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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.