Finding the Fourth Proportional to 12,202,658.12, 16,839,621.61 and 6,696,125.03
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Solution
The fourth proportional to 12,202,658.12, 16,839,621.61 and 6,696,125.03 is: 9,240,626.97
Step by Step Solution
- Step 1: Write the proportion equation
12,202,658.12 : 16,839,621.61 = 6,696,125.03 : x - Step 2: Convert to fraction form
12,202,658.12/16,839,621.61 = 6,696,125.03/x - Step 3: Cross multiply
12,202,658.12x = 16,839,621.61 × 6,696,125.03 - Step 4: Simplify right side
12,202,658.12x = 112,760,211,783,808.64 - Step 5: Solve for x
x = 112,760,211,783,808.64/12,202,658.12 - Step 6: Final answer
x = 9,240,626.97
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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.