Finding the Fourth Proportional to 8,394,512.70, 12,591,769.05 and 2,715,311.10
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Solution
The fourth proportional to 8,394,512.70, 12,591,769.05 and 2,715,311.10 is: 4,072,966.65
Step by Step Solution
- Step 1: Write the proportion equation
8,394,512.70 : 12,591,769.05 = 2,715,311.10 : x - Step 2: Convert to fraction form
8,394,512.70/12,591,769.05 = 2,715,311.10/x - Step 3: Cross multiply
8,394,512.70x = 12,591,769.05 × 2,715,311.10 - Step 4: Simplify right side
8,394,512.70x = 34,190,570,270,101.46 - Step 5: Solve for x
x = 34,190,570,270,101.46/8,394,512.70 - Step 6: Final answer
x = 4,072,966.65
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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.