Finding the Fourth Proportional to 29,646,028.80, 44,469,043.20 and 19,475,166.60
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Solution
The fourth proportional to 29,646,028.80, 44,469,043.20 and 19,475,166.60 is: 29,212,749.90
Step by Step Solution
- Step 1: Write the proportion equation
29,646,028.80 : 44,469,043.20 = 19,475,166.60 : x - Step 2: Convert to fraction form
29,646,028.80/44,469,043.20 = 19,475,166.60/x - Step 3: Cross multiply
29,646,028.80x = 44,469,043.20 × 19,475,166.60 - Step 4: Simplify right side
29,646,028.80x = 866,042,024,862,597.25 - Step 5: Solve for x
x = 866,042,024,862,597.25/29,646,028.80 - Step 6: Final answer
x = 29,212,749.90
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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.