Finding the Fourth Proportional to 22,801,850.36, 31,466,583.88 and 12,347,884.70
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Solution
The fourth proportional to 22,801,850.36, 31,466,583.88 and 12,347,884.70 is: 17,040,097.33
Step by Step Solution
- Step 1: Write the proportion equation
22,801,850.36 : 31,466,583.88 = 12,347,884.70 : x - Step 2: Convert to fraction form
22,801,850.36/31,466,583.88 = 12,347,884.70/x - Step 3: Cross multiply
22,801,850.36x = 31,466,583.88 × 12,347,884.70 - Step 4: Simplify right side
22,801,850.36x = 388,545,749,464,916 - Step 5: Solve for x
x = 388,545,749,464,916/22,801,850.36 - Step 6: Final answer
x = 17,040,097.33
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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.