Finding the Fourth Proportional to 20,394,039.94, 30,590,923.83 and 8,263,324.42
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Solution
The fourth proportional to 20,394,039.94, 30,590,923.83 and 8,263,324.42 is: 12,394,931.49
Step by Step Solution
- Step 1: Write the proportion equation
20,394,039.94 : 30,590,923.83 = 8,263,324.42 : x - Step 2: Convert to fraction form
20,394,039.94/30,590,923.83 = 8,263,324.42/x - Step 3: Cross multiply
20,394,039.94x = 30,590,923.83 × 8,263,324.42 - Step 4: Simplify right side
20,394,039.94x = 252,782,727,914,798.91 - Step 5: Solve for x
x = 252,782,727,914,798.91/20,394,039.94 - Step 6: Final answer
x = 12,394,931.49
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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.