Finding the Fourth Proportional to 18,546,041.48, 27,815,912.76 and 4,899,336.44
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Solution
The fourth proportional to 18,546,041.48, 27,815,912.76 and 4,899,336.44 is: 7,348,172.66
Step by Step Solution
- Step 1: Write the proportion equation
18,546,041.48 : 27,815,912.76 = 4,899,336.44 : x - Step 2: Convert to fraction form
18,546,041.48/27,815,912.76 = 4,899,336.44/x - Step 3: Cross multiply
18,546,041.48x = 27,815,912.76 × 4,899,336.44 - Step 4: Simplify right side
18,546,041.48x = 136,279,514,996,929 - Step 5: Solve for x
x = 136,279,514,996,929/18,546,041.48 - Step 6: Final answer
x = 7,348,172.66
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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.