Finding the Fourth Proportional to 8,373,367.20, 11,555,458.96 and 4,702,576.80
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Solution
The fourth proportional to 8,373,367.20, 11,555,458.96 and 4,702,576.80 is: 6,489,675.17
Step by Step Solution
- Step 1: Write the proportion equation
8,373,367.20 : 11,555,458.96 = 4,702,576.80 : x - Step 2: Convert to fraction form
8,373,367.20/11,555,458.96 = 4,702,576.80/x - Step 3: Cross multiply
8,373,367.20x = 11,555,458.96 × 4,702,576.80 - Step 4: Simplify right side
8,373,367.20x = 54,340,433,218,648.13 - Step 5: Solve for x
x = 54,340,433,218,648.13/8,373,367.20 - Step 6: Final answer
x = 6,489,675.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.