Finding the Fourth Proportional to 20,678,626.73, 31,019,106.50 and 6,302,163.53
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Solution
The fourth proportional to 20,678,626.73, 31,019,106.50 and 6,302,163.53 is: 9,453,600.77
Step by Step Solution
- Step 1: Write the proportion equation
20,678,626.73 : 31,019,106.50 = 6,302,163.53 : x - Step 2: Convert to fraction form
20,678,626.73/31,019,106.50 = 6,302,163.53/x - Step 3: Cross multiply
20,678,626.73x = 31,019,106.50 × 6,302,163.53 - Step 4: Simplify right side
20,678,626.73x = 195,487,481,530,879.62 - Step 5: Solve for x
x = 195,487,481,530,879.62/20,678,626.73 - Step 6: Final answer
x = 9,453,600.77
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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.