Finding the Fourth Proportional to 8,801,640.30, 13,202,460.45 and 8,482,775.70
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Solution
The fourth proportional to 8,801,640.30, 13,202,460.45 and 8,482,775.70 is: 12,724,163.55
Step by Step Solution
- Step 1: Write the proportion equation
8,801,640.30 : 13,202,460.45 = 8,482,775.70 : x - Step 2: Convert to fraction form
8,801,640.30/13,202,460.45 = 8,482,775.70/x - Step 3: Cross multiply
8,801,640.30x = 13,202,460.45 × 8,482,775.70 - Step 4: Simplify right side
8,801,640.30x = 111,993,510,685,471.05 - Step 5: Solve for x
x = 111,993,510,685,471.05/8,801,640.30 - Step 6: Final answer
x = 12,724,163.55
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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.