Finding the Fourth Proportional to 18,765,146.19, 25,882,549.19 and 17,221,394.12
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Solution
The fourth proportional to 18,765,146.19, 25,882,549.19 and 17,221,394.12 is: 23,753,269.80
Step by Step Solution
- Step 1: Write the proportion equation
18,765,146.19 : 25,882,549.19 = 17,221,394.12 : x - Step 2: Convert to fraction form
18,765,146.19/25,882,549.19 = 17,221,394.12/x - Step 3: Cross multiply
18,765,146.19x = 25,882,549.19 × 17,221,394.12 - Step 4: Simplify right side
18,765,146.19x = 445,733,580,215,757 - Step 5: Solve for x
x = 445,733,580,215,757/18,765,146.19 - Step 6: Final answer
x = 23,753,269.80
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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.