Finding the Fourth Proportional to 8,122,292.70, 11,207,982.87 and 4,858,446.30
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Solution
The fourth proportional to 8,122,292.70, 11,207,982.87 and 4,858,446.30 is: 6,704,188.70
Step by Step Solution
- Step 1: Write the proportion equation
8,122,292.70 : 11,207,982.87 = 4,858,446.30 : x - Step 2: Convert to fraction form
8,122,292.70/11,207,982.87 = 4,858,446.30/x - Step 3: Cross multiply
8,122,292.70x = 11,207,982.87 × 4,858,446.30 - Step 4: Simplify right side
8,122,292.70x = 54,453,382,905,214.88 - Step 5: Solve for x
x = 54,453,382,905,214.88/8,122,292.70 - Step 6: Final answer
x = 6,704,188.70
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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.