Finding the Fourth Proportional to 11,145,268.07, 15,382,151.12 and 6,796,876.68
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Solution
The fourth proportional to 11,145,268.07, 15,382,151.12 and 6,796,876.68 is: 9,380,715.08
Step by Step Solution
- Step 1: Write the proportion equation
11,145,268.07 : 15,382,151.12 = 6,796,876.68 : x - Step 2: Convert to fraction form
11,145,268.07/15,382,151.12 = 6,796,876.68/x - Step 3: Cross multiply
11,145,268.07x = 15,382,151.12 × 6,796,876.68 - Step 4: Simplify right side
11,145,268.07x = 104,550,584,235,763.88 - Step 5: Solve for x
x = 104,550,584,235,763.88/11,145,268.07 - Step 6: Final answer
x = 9,380,715.08
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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.