Finding the Fourth Proportional to 7,481,153.02, 11,222,201.94 and 3,162,397.92
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Solution
The fourth proportional to 7,481,153.02, 11,222,201.94 and 3,162,397.92 is: 4,743,796.57
Step by Step Solution
- Step 1: Write the proportion equation
7,481,153.02 : 11,222,201.94 = 3,162,397.92 : x - Step 2: Convert to fraction form
7,481,153.02/11,222,201.94 = 3,162,397.92/x - Step 3: Cross multiply
7,481,153.02x = 11,222,201.94 × 3,162,397.92 - Step 4: Simplify right side
7,481,153.02x = 35,489,068,072,875.96 - Step 5: Solve for x
x = 35,489,068,072,875.96/7,481,153.02 - Step 6: Final answer
x = 4,743,796.57
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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.