Finding the Fourth Proportional to 33,257,891.70, 49,861,954.35 and 18,128,906.10
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Solution
The fourth proportional to 33,257,891.70, 49,861,954.35 and 18,128,906.10 is: 27,179,795.30
Step by Step Solution
- Step 1: Write the proportion equation
33,257,891.70 : 49,861,954.35 = 18,128,906.10 : x - Step 2: Convert to fraction form
33,257,891.70/49,861,954.35 = 18,128,906.10/x - Step 3: Cross multiply
33,257,891.70x = 49,861,954.35 × 18,128,906.10 - Step 4: Simplify right side
33,257,891.70x = 903,942,688,373,636.62 - Step 5: Solve for x
x = 903,942,688,373,636.62/33,257,891.70 - Step 6: Final answer
x = 27,179,795.30
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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.