Finding the Fourth Proportional to 11,133,819.91, 15,364,410.73 and 6,550,435.99
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Solution
The fourth proportional to 11,133,819.91, 15,364,410.73 and 6,550,435.99 is: 9,039,448.26
Step by Step Solution
- Step 1: Write the proportion equation
11,133,819.91 : 15,364,410.73 = 6,550,435.99 : x - Step 2: Convert to fraction form
11,133,819.91/15,364,410.73 = 6,550,435.99/x - Step 3: Cross multiply
11,133,819.91x = 15,364,410.73 × 6,550,435.99 - Step 4: Simplify right side
11,133,819.91x = 100,643,589,010,934.17 - Step 5: Solve for x
x = 100,643,589,010,934.17/11,133,819.91 - Step 6: Final answer
x = 9,039,448.26
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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.