Finding the Fourth Proportional to 8,726,745.09, 12,042,793.41 and 4,806,425.94
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Solution
The fourth proportional to 8,726,745.09, 12,042,793.41 and 4,806,425.94 is: 6,632,804.56
Step by Step Solution
- Step 1: Write the proportion equation
8,726,745.09 : 12,042,793.41 = 4,806,425.94 : x - Step 2: Convert to fraction form
8,726,745.09/12,042,793.41 = 4,806,425.94/x - Step 3: Cross multiply
8,726,745.09x = 12,042,793.41 × 4,806,425.94 - Step 4: Simplify right side
8,726,745.09x = 57,882,794,667,477.34 - Step 5: Solve for x
x = 57,882,794,667,477.34/8,726,745.09 - Step 6: Final answer
x = 6,632,804.56
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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.