Finding the Fourth Proportional to 23,969,431.09, 33,081,055.97 and 13,517,596.79
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Solution
The fourth proportional to 23,969,431.09, 33,081,055.97 and 13,517,596.79 is: 18,656,111.39
Step by Step Solution
- Step 1: Write the proportion equation
23,969,431.09 : 33,081,055.97 = 13,517,596.79 : x - Step 2: Convert to fraction form
23,969,431.09/33,081,055.97 = 13,517,596.79/x - Step 3: Cross multiply
23,969,431.09x = 33,081,055.97 × 13,517,596.79 - Step 4: Simplify right side
23,969,431.09x = 447,176,376,181,085.44 - Step 5: Solve for x
x = 447,176,376,181,085.44/23,969,431.09 - Step 6: Final answer
x = 18,656,111.39
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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.