Finding the Fourth Proportional to 18,263,343.43, 27,394,350.54 and 5,483,515.96
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Solution
The fourth proportional to 18,263,343.43, 27,394,350.54 and 5,483,515.96 is: 8,225,074.39
Step by Step Solution
- Step 1: Write the proportion equation
18,263,343.43 : 27,394,350.54 = 5,483,515.96 : x - Step 2: Convert to fraction form
18,263,343.43/27,394,350.54 = 5,483,515.96/x - Step 3: Cross multiply
18,263,343.43x = 27,394,350.54 × 5,483,515.96 - Step 4: Simplify right side
18,263,343.43x = 150,217,358,399,924.62 - Step 5: Solve for x
x = 150,217,358,399,924.62/18,263,343.43 - Step 6: Final answer
x = 8,225,074.39
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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.