Finding the Fourth Proportional to 18,640,018.26, 27,947,028.55 and 8,259,591.60
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Solution
The fourth proportional to 18,640,018.26, 27,947,028.55 and 8,259,591.60 is: 12,383,627.47
Step by Step Solution
- Step 1: Write the proportion equation
18,640,018.26 : 27,947,028.55 = 8,259,591.60 : x - Step 2: Convert to fraction form
18,640,018.26/27,947,028.55 = 8,259,591.60/x - Step 3: Cross multiply
18,640,018.26x = 27,947,028.55 × 8,259,591.60 - Step 4: Simplify right side
18,640,018.26x = 230,831,042,096,156.03 - Step 5: Solve for x
x = 230,831,042,096,156.03/18,640,018.26 - Step 6: Final answer
x = 12,383,627.47
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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.