Finding the Fourth Proportional to 18,207,163.88, 27,291,668.76 and 8,483,760.44
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Solution
The fourth proportional to 18,207,163.88, 27,291,668.76 and 8,483,760.44 is: 12,716,751.57
Step by Step Solution
- Step 1: Write the proportion equation
18,207,163.88 : 27,291,668.76 = 8,483,760.44 : x - Step 2: Convert to fraction form
18,207,163.88/27,291,668.76 = 8,483,760.44/x - Step 3: Cross multiply
18,207,163.88x = 27,291,668.76 × 8,483,760.44 - Step 4: Simplify right side
18,207,163.88x = 231,535,979,767,671.84 - Step 5: Solve for x
x = 231,535,979,767,671.84/18,207,163.88 - Step 6: Final answer
x = 12,716,751.57
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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.