Finding the Fourth Proportional to 10,777,246.20, 16,165,869.30 and 4,384,207.80
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Solution
The fourth proportional to 10,777,246.20, 16,165,869.30 and 4,384,207.80 is: 6,576,311.70
Step by Step Solution
- Step 1: Write the proportion equation
10,777,246.20 : 16,165,869.30 = 4,384,207.80 : x - Step 2: Convert to fraction form
10,777,246.20/16,165,869.30 = 4,384,207.80/x - Step 3: Cross multiply
10,777,246.20x = 16,165,869.30 × 4,384,207.80 - Step 4: Simplify right side
10,777,246.20x = 70,874,530,278,840.55 - Step 5: Solve for x
x = 70,874,530,278,840.55/10,777,246.20 - Step 6: Final answer
x = 6,576,311.70
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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.