Finding the Fourth Proportional to 35,107,917.11, 48,452,572.40 and 20,223,755.52
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Solution
The fourth proportional to 35,107,917.11, 48,452,572.40 and 20,223,755.52 is: 27,910,883.33
Step by Step Solution
- Step 1: Write the proportion equation
35,107,917.11 : 48,452,572.40 = 20,223,755.52 : x - Step 2: Convert to fraction form
35,107,917.11/48,452,572.40 = 20,223,755.52/x - Step 3: Cross multiply
35,107,917.11x = 48,452,572.40 × 20,223,755.52 - Step 4: Simplify right side
35,107,917.11x = 979,892,978,431,580.88 - Step 5: Solve for x
x = 979,892,978,431,580.88/35,107,917.11 - Step 6: Final answer
x = 27,910,883.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.