Finding the Fourth Proportional to 18,368,040.64, 27,556,046.76 and 5,588,213.21
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Solution
The fourth proportional to 18,368,040.64, 27,556,046.76 and 5,588,213.21 is: 8,383,532.44
Step by Step Solution
- Step 1: Write the proportion equation
18,368,040.64 : 27,556,046.76 = 5,588,213.21 : x - Step 2: Convert to fraction form
18,368,040.64/27,556,046.76 = 5,588,213.21/x - Step 3: Cross multiply
18,368,040.64x = 27,556,046.76 × 5,588,213.21 - Step 4: Simplify right side
18,368,040.64x = 153,989,064,519,609.72 - Step 5: Solve for x
x = 153,989,064,519,609.72/18,368,040.64 - Step 6: Final answer
x = 8,383,532.44
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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.