Finding the Fourth Proportional to 11,081,605.70, 16,622,408.55 and 7,489,093.70
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Solution
The fourth proportional to 11,081,605.70, 16,622,408.55 and 7,489,093.70 is: 11,233,640.55
Step by Step Solution
- Step 1: Write the proportion equation
11,081,605.70 : 16,622,408.55 = 7,489,093.70 : x - Step 2: Convert to fraction form
11,081,605.70/16,622,408.55 = 7,489,093.70/x - Step 3: Cross multiply
11,081,605.70x = 16,622,408.55 × 7,489,093.70 - Step 4: Simplify right side
11,081,605.70x = 124,486,775,150,631.14 - Step 5: Solve for x
x = 124,486,775,150,631.14/11,081,605.70 - Step 6: Final answer
x = 11,233,640.55
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Similar ratio
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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.