Finding the Fourth Proportional to 11,104,589.70, 15,324,228.81 and 6,209,755.65
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Solution
The fourth proportional to 11,104,589.70, 15,324,228.81 and 6,209,755.65 is: 8,569,404.09
Step by Step Solution
- Step 1: Write the proportion equation
11,104,589.70 : 15,324,228.81 = 6,209,755.65 : x - Step 2: Convert to fraction form
11,104,589.70/15,324,228.81 = 6,209,755.65/x - Step 3: Cross multiply
11,104,589.70x = 15,324,228.81 × 6,209,755.65 - Step 4: Simplify right side
11,104,589.70x = 95,159,716,434,790.28 - Step 5: Solve for x
x = 95,159,716,434,790.28/11,104,589.70 - Step 6: Final answer
x = 8,569,404.09
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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.