Finding the Fourth Proportional to 29,829,220.54, 41,183,236.05 and 20,425,745.66
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Solution
The fourth proportional to 29,829,220.54, 41,183,236.05 and 20,425,745.66 is: 28,200,478.92
Step by Step Solution
- Step 1: Write the proportion equation
29,829,220.54 : 41,183,236.05 = 20,425,745.66 : x - Step 2: Convert to fraction form
29,829,220.54/41,183,236.05 = 20,425,745.66/x - Step 3: Cross multiply
29,829,220.54x = 41,183,236.05 × 20,425,745.66 - Step 4: Simplify right side
29,829,220.54x = 841,198,305,013,043 - Step 5: Solve for x
x = 841,198,305,013,043/29,829,220.54 - Step 6: Final answer
x = 28,200,478.92
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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.