Finding the Fourth Proportional to 18,263,319.25, 27,394,314.46 and 5,483,491.80
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Solution
The fourth proportional to 18,263,319.25, 27,394,314.46 and 5,483,491.80 is: 8,225,038.21
Step by Step Solution
- Step 1: Write the proportion equation
18,263,319.25 : 27,394,314.46 = 5,483,491.80 : x - Step 2: Convert to fraction form
18,263,319.25/27,394,314.46 = 5,483,491.80/x - Step 3: Cross multiply
18,263,319.25x = 27,394,314.46 × 5,483,491.80 - Step 4: Simplify right side
18,263,319.25x = 150,216,498,680,613.97 - Step 5: Solve for x
x = 150,216,498,680,613.97/18,263,319.25 - Step 6: Final answer
x = 8,225,038.21
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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.