Finding the Fourth Proportional to 10,324,983.09, 14,248,821.87 and 5,678,964.03
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Solution
The fourth proportional to 10,324,983.09, 14,248,821.87 and 5,678,964.03 is: 7,837,160.23
Step by Step Solution
- Step 1: Write the proportion equation
10,324,983.09 : 14,248,821.87 = 5,678,964.03 : x - Step 2: Convert to fraction form
10,324,983.09/14,248,821.87 = 5,678,964.03/x - Step 3: Cross multiply
10,324,983.09x = 14,248,821.87 × 5,678,964.03 - Step 4: Simplify right side
10,324,983.09x = 80,918,546,869,607.33 - Step 5: Solve for x
x = 80,918,546,869,607.33/10,324,983.09 - Step 6: Final answer
x = 7,837,160.23
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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.