Finding the Fourth Proportional to 18,263,362.18, 27,394,378.78 and 5,483,534.80
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Solution
The fourth proportional to 18,263,362.18, 27,394,378.78 and 5,483,534.80 is: 8,225,102.69
Step by Step Solution
- Step 1: Write the proportion equation
18,263,362.18 : 27,394,378.78 = 5,483,534.80 : x - Step 2: Convert to fraction form
18,263,362.18/27,394,378.78 = 5,483,534.80/x - Step 3: Cross multiply
18,263,362.18x = 27,394,378.78 × 5,483,534.80 - Step 4: Simplify right side
18,263,362.18x = 150,218,029,364,511.53 - Step 5: Solve for x
x = 150,218,029,364,511.53/18,263,362.18 - Step 6: Final answer
x = 8,225,102.69
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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.