Finding the Fourth Proportional to 8,764,516.20, 13,146,774.30 and 2,780,874.60
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Solution
The fourth proportional to 8,764,516.20, 13,146,774.30 and 2,780,874.60 is: 4,171,311.90
Step by Step Solution
- Step 1: Write the proportion equation
8,764,516.20 : 13,146,774.30 = 2,780,874.60 : x - Step 2: Convert to fraction form
8,764,516.20/13,146,774.30 = 2,780,874.60/x - Step 3: Cross multiply
8,764,516.20x = 13,146,774.30 × 2,780,874.60 - Step 4: Simplify right side
8,764,516.20x = 36,559,530,722,802.78 - Step 5: Solve for x
x = 36,559,530,722,802.78/8,764,516.20 - Step 6: Final answer
x = 4,171,311.90
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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.