Finding the Fourth Proportional to 8,675,505.78, 13,010,635.64 and 2,608,626.99
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Solution
The fourth proportional to 8,675,505.78, 13,010,635.64 and 2,608,626.99 is: 3,912,151.77
Step by Step Solution
- Step 1: Write the proportion equation
8,675,505.78 : 13,010,635.64 = 2,608,626.99 : x - Step 2: Convert to fraction form
8,675,505.78/13,010,635.64 = 2,608,626.99/x - Step 3: Cross multiply
8,675,505.78x = 13,010,635.64 × 2,608,626.99 - Step 4: Simplify right side
8,675,505.78x = 33,939,895,274,516.79 - Step 5: Solve for x
x = 33,939,895,274,516.79/8,675,505.78 - Step 6: Final answer
x = 3,912,151.77
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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.