Finding the Fourth Proportional to 10,992,163.44, 16,488,385.49 and 2,905,069.21
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Solution
The fourth proportional to 10,992,163.44, 16,488,385.49 and 2,905,069.21 is: 4,357,640.90
Step by Step Solution
- Step 1: Write the proportion equation
10,992,163.44 : 16,488,385.49 = 2,905,069.21 : x - Step 2: Convert to fraction form
10,992,163.44/16,488,385.49 = 2,905,069.21/x - Step 3: Cross multiply
10,992,163.44x = 16,488,385.49 × 2,905,069.21 - Step 4: Simplify right side
10,992,163.44x = 47,899,901,036,305.38 - Step 5: Solve for x
x = 47,899,901,036,305.38/10,992,163.44 - Step 6: Final answer
x = 4,357,640.90
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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.