Finding the Fourth Proportional to 11,789,842.97, 16,269,816.61 and 6,633,192.21
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Solution
The fourth proportional to 11,789,842.97, 16,269,816.61 and 6,633,192.21 is: 9,153,711.47
Step by Step Solution
- Step 1: Write the proportion equation
11,789,842.97 : 16,269,816.61 = 6,633,192.21 : x - Step 2: Convert to fraction form
11,789,842.97/16,269,816.61 = 6,633,192.21/x - Step 3: Cross multiply
11,789,842.97x = 16,269,816.61 × 6,633,192.21 - Step 4: Simplify right side
11,789,842.97x = 107,920,820,815,725.47 - Step 5: Solve for x
x = 107,920,820,815,725.47/11,789,842.97 - Step 6: Final answer
x = 9,153,711.47
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1.5x scale
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.