Finding the Fourth Proportional to 8,801,658.30, 13,202,487.45 and 8,482,793.70
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Solution
The fourth proportional to 8,801,658.30, 13,202,487.45 and 8,482,793.70 is: 12,724,190.55
Step by Step Solution
- Step 1: Write the proportion equation
8,801,658.30 : 13,202,487.45 = 8,482,793.70 : x - Step 2: Convert to fraction form
8,801,658.30/13,202,487.45 = 8,482,793.70/x - Step 3: Cross multiply
8,801,658.30x = 13,202,487.45 × 8,482,793.70 - Step 4: Simplify right side
8,801,658.30x = 111,993,977,365,189.05 - Step 5: Solve for x
x = 111,993,977,365,189.05/8,801,658.30 - Step 6: Final answer
x = 12,724,190.55
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Double scale
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1.5x scale
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.