Finding the Fourth Proportional to 18,099,121.39, 27,112,332.17 and 8,370,097.49
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Solution
The fourth proportional to 18,099,121.39, 27,112,332.17 and 8,370,097.49 is: 12,538,335.90
Step by Step Solution
- Step 1: Write the proportion equation
18,099,121.39 : 27,112,332.17 = 8,370,097.49 : x - Step 2: Convert to fraction form
18,099,121.39/27,112,332.17 = 8,370,097.49/x - Step 3: Cross multiply
18,099,121.39x = 27,112,332.17 × 8,370,097.49 - Step 4: Simplify right side
18,099,121.39x = 226,932,863,444,163.28 - Step 5: Solve for x
x = 226,932,863,444,163.28/18,099,121.39 - Step 6: Final answer
x = 12,538,335.90
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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.