Finding the Fourth Proportional to 11,969,434.97, 16,517,838.70 and 6,812,796.47
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Solution
The fourth proportional to 11,969,434.97, 16,517,838.70 and 6,812,796.47 is: 9,401,669.62
Step by Step Solution
- Step 1: Write the proportion equation
11,969,434.97 : 16,517,838.70 = 6,812,796.47 : x - Step 2: Convert to fraction form
11,969,434.97/16,517,838.70 = 6,812,796.47/x - Step 3: Cross multiply
11,969,434.97x = 16,517,838.70 × 6,812,796.47 - Step 4: Simplify right side
11,969,434.97x = 112,532,673,149,710.09 - Step 5: Solve for x
x = 112,532,673,149,710.09/11,969,434.97 - Step 6: Final answer
x = 9,401,669.62
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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.