Finding the Fourth Proportional to 11,907,505.44, 16,431,857.64 and 6,751,213.92
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Solution
The fourth proportional to 11,907,505.44, 16,431,857.64 and 6,751,213.92 is: 9,316,391.80
Step by Step Solution
- Step 1: Write the proportion equation
11,907,505.44 : 16,431,857.64 = 6,751,213.92 : x - Step 2: Convert to fraction form
11,907,505.44/16,431,857.64 = 6,751,213.92/x - Step 3: Cross multiply
11,907,505.44x = 16,431,857.64 × 6,751,213.92 - Step 4: Simplify right side
11,907,505.44x = 110,934,986,030,626.36 - Step 5: Solve for x
x = 110,934,986,030,626.36/11,907,505.44 - Step 6: Final answer
x = 9,316,391.80
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.