Finding the Fourth Proportional to 23,246,621.09, 32,080,632.22 and 12,793,840.92
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Solution
The fourth proportional to 23,246,621.09, 32,080,632.22 and 12,793,840.92 is: 17,655,662.89
Step by Step Solution
- Step 1: Write the proportion equation
23,246,621.09 : 32,080,632.22 = 12,793,840.92 : x - Step 2: Convert to fraction form
23,246,621.09/32,080,632.22 = 12,793,840.92/x - Step 3: Cross multiply
23,246,621.09x = 32,080,632.22 × 12,793,840.92 - Step 4: Simplify right side
23,246,621.09x = 410,434,505,251,698.75 - Step 5: Solve for x
x = 410,434,505,251,698.75/23,246,621.09 - Step 6: Final answer
x = 17,655,662.89
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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.