Finding the Fourth Proportional to 29,603,049.21, 40,850,134.05 and 17,212,263.57
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Solution
The fourth proportional to 29,603,049.21, 40,850,134.05 and 17,212,263.57 is: 23,751,717.90
Step by Step Solution
- Step 1: Write the proportion equation
29,603,049.21 : 40,850,134.05 = 17,212,263.57 : x - Step 2: Convert to fraction form
29,603,049.21/40,850,134.05 = 17,212,263.57/x - Step 3: Cross multiply
29,603,049.21x = 40,850,134.05 × 17,212,263.57 - Step 4: Simplify right side
29,603,049.21x = 703,123,273,877,131.38 - Step 5: Solve for x
x = 703,123,273,877,131.38/29,603,049.21 - Step 6: Final answer
x = 23,751,717.90
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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.