Finding the Fourth Proportional to 18,299,976.21, 27,450,161.42 and 5,520,591.63
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Solution
The fourth proportional to 18,299,976.21, 27,450,161.42 and 5,520,591.63 is: 8,280,946.90
Step by Step Solution
- Step 1: Write the proportion equation
18,299,976.21 : 27,450,161.42 = 5,520,591.63 : x - Step 2: Convert to fraction form
18,299,976.21/27,450,161.42 = 5,520,591.63/x - Step 3: Cross multiply
18,299,976.21x = 27,450,161.42 × 5,520,591.63 - Step 4: Simplify right side
18,299,976.21x = 151,541,131,349,797.94 - Step 5: Solve for x
x = 151,541,131,349,797.94/18,299,976.21 - Step 6: Final answer
x = 8,280,946.90
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1.5x scale
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.