Finding the Fourth Proportional to 5,516,863.76, 8,254,300.44 and 3,320,184.08
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Solution
The fourth proportional to 5,516,863.76, 8,254,300.44 and 3,320,184.08 is: 4,967,640.69
Step by Step Solution
- Step 1: Write the proportion equation
5,516,863.76 : 8,254,300.44 = 3,320,184.08 : x - Step 2: Convert to fraction form
5,516,863.76/8,254,300.44 = 3,320,184.08/x - Step 3: Cross multiply
5,516,863.76x = 8,254,300.44 × 3,320,184.08 - Step 4: Simplify right side
5,516,863.76x = 27,405,796,912,425.00 - Step 5: Solve for x
x = 27,405,796,912,425.00/5,516,863.76 - Step 6: Final answer
x = 4,967,640.69
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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.