Finding the Fourth Proportional to 18,505,354.18, 27,738,348.26 and 6,985,927.64
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Solution
The fourth proportional to 18,505,354.18, 27,738,348.26 and 6,985,927.64 is: 10,471,460.95
Step by Step Solution
- Step 1: Write the proportion equation
18,505,354.18 : 27,738,348.26 = 6,985,927.64 : x - Step 2: Convert to fraction form
18,505,354.18/27,738,348.26 = 6,985,927.64/x - Step 3: Cross multiply
18,505,354.18x = 27,738,348.26 × 6,985,927.64 - Step 4: Simplify right side
18,505,354.18x = 193,778,093,676,252.97 - Step 5: Solve for x
x = 193,778,093,676,252.97/18,505,354.18 - Step 6: Final answer
x = 10,471,460.95
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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.