Finding the Fourth Proportional to 12,292,415.80, 16,964,472.18 and 6,786,850.60
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Solution
The fourth proportional to 12,292,415.80, 16,964,472.18 and 6,786,850.60 is: 9,366,371.92
Step by Step Solution
- Step 1: Write the proportion equation
12,292,415.80 : 16,964,472.18 = 6,786,850.60 : x - Step 2: Convert to fraction form
12,292,415.80/16,964,472.18 = 6,786,850.60/x - Step 3: Cross multiply
12,292,415.80x = 16,964,472.18 × 6,786,850.60 - Step 4: Simplify right side
12,292,415.80x = 115,135,338,193,516.30 - Step 5: Solve for x
x = 115,135,338,193,516.30/12,292,415.80 - Step 6: Final answer
x = 9,366,371.92
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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.