Finding the Fourth Proportional to 12,202,640.12, 16,839,596.90 and 6,696,107.12
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Solution
The fourth proportional to 12,202,640.12, 16,839,596.90 and 6,696,107.12 is: 9,240,602.33
Step by Step Solution
- Step 1: Write the proportion equation
12,202,640.12 : 16,839,596.90 = 6,696,107.12 : x - Step 2: Convert to fraction form
12,202,640.12/16,839,596.90 = 6,696,107.12/x - Step 3: Cross multiply
12,202,640.12x = 16,839,596.90 × 6,696,107.12 - Step 4: Simplify right side
12,202,640.12x = 112,759,744,632,562.22 - Step 5: Solve for x
x = 112,759,744,632,562.22/12,202,640.12 - Step 6: Final answer
x = 9,240,602.33
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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.