Finding the Fourth Proportional to 8,156,735.28, 11,256,583.55 and 4,485,935.97
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Solution
The fourth proportional to 8,156,735.28, 11,256,583.55 and 4,485,935.97 is: 6,190,750.50
Step by Step Solution
- Step 1: Write the proportion equation
8,156,735.28 : 11,256,583.55 = 4,485,935.97 : x - Step 2: Convert to fraction form
8,156,735.28/11,256,583.55 = 4,485,935.97/x - Step 3: Cross multiply
8,156,735.28x = 11,256,583.55 × 4,485,935.97 - Step 4: Simplify right side
8,156,735.28x = 50,496,313,023,825.61 - Step 5: Solve for x
x = 50,496,313,023,825.61/8,156,735.28 - Step 6: Final answer
x = 6,190,750.50
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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.