Finding the Fourth Proportional to 7,082,986.97, 10,623,291.87 and 1,965,936.71
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Solution
The fourth proportional to 7,082,986.97, 10,623,291.87 and 1,965,936.71 is: 2,948,575.16
Step by Step Solution
- Step 1: Write the proportion equation
7,082,986.97 : 10,623,291.87 = 1,965,936.71 : x - Step 2: Convert to fraction form
7,082,986.97/10,623,291.87 = 1,965,936.71/x - Step 3: Cross multiply
7,082,986.97x = 10,623,291.87 × 1,965,936.71 - Step 4: Simplify right side
7,082,986.97x = 20,884,719,415,161.09 - Step 5: Solve for x
x = 20,884,719,415,161.09/7,082,986.97 - Step 6: Final answer
x = 2,948,575.16
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.