Finding the Fourth Proportional to 7,996,233.90, 11,994,350.85 and 6,561,343.20
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Solution
The fourth proportional to 7,996,233.90, 11,994,350.85 and 6,561,343.20 is: 9,842,014.80
Step by Step Solution
- Step 1: Write the proportion equation
7,996,233.90 : 11,994,350.85 = 6,561,343.20 : x - Step 2: Convert to fraction form
7,996,233.90/11,994,350.85 = 6,561,343.20/x - Step 3: Cross multiply
7,996,233.90x = 11,994,350.85 × 6,561,343.20 - Step 4: Simplify right side
7,996,233.90x = 78,699,052,388,061.72 - Step 5: Solve for x
x = 78,699,052,388,061.72/7,996,233.90 - Step 6: Final answer
x = 9,842,014.80
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1.5x scale
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.