Finding the Fourth Proportional to 11,089,694.40, 15,297,391.64 and 6,676,350.26
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Solution
The fourth proportional to 11,089,694.40, 15,297,391.64 and 6,676,350.26 is: 9,209,518.40
Step by Step Solution
- Step 1: Write the proportion equation
11,089,694.40 : 15,297,391.64 = 6,676,350.26 : x - Step 2: Convert to fraction form
11,089,694.40/15,297,391.64 = 6,676,350.26/x - Step 3: Cross multiply
11,089,694.40x = 15,297,391.64 × 6,676,350.26 - Step 4: Simplify right side
11,089,694.40x = 102,130,744,653,035.83 - Step 5: Solve for x
x = 102,130,744,653,035.83/11,089,694.40 - Step 6: Final answer
x = 9,209,518.40
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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.