Finding the Fourth Proportional to 11,783,392.20, 16,260,825.60 and 6,822,042.12
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Solution
The fourth proportional to 11,783,392.20, 16,260,825.60 and 6,822,042.12 is: 9,414,270.12
Step by Step Solution
- Step 1: Write the proportion equation
11,783,392.20 : 16,260,825.60 = 6,822,042.12 : x - Step 2: Convert to fraction form
11,783,392.20/16,260,825.60 = 6,822,042.12/x - Step 3: Cross multiply
11,783,392.20x = 16,260,825.60 × 6,822,042.12 - Step 4: Simplify right side
11,783,392.20x = 110,932,037,149,174.27 - Step 5: Solve for x
x = 110,932,037,149,174.27/11,783,392.20 - Step 6: Final answer
x = 9,414,270.12
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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.