Finding the Fourth Proportional to 11,491,809.80, 17,228,966.70 and 5,816,107.40
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Solution
The fourth proportional to 11,491,809.80, 17,228,966.70 and 5,816,107.40 is: 8,719,733.66
Step by Step Solution
- Step 1: Write the proportion equation
11,491,809.80 : 17,228,966.70 = 5,816,107.40 : x - Step 2: Convert to fraction form
11,491,809.80/17,228,966.70 = 5,816,107.40/x - Step 3: Cross multiply
11,491,809.80x = 17,228,966.70 × 5,816,107.40 - Step 4: Simplify right side
11,491,809.80x = 100,205,520,718,223.58 - Step 5: Solve for x
x = 100,205,520,718,223.58/11,491,809.80 - Step 6: Final answer
x = 8,719,733.66
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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.