Finding the Fourth Proportional to 11,659,475.67, 16,089,986.37 and 6,432,704.10
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Solution
The fourth proportional to 11,659,475.67, 16,089,986.37 and 6,432,704.10 is: 8,877,081.97
Step by Step Solution
- Step 1: Write the proportion equation
11,659,475.67 : 16,089,986.37 = 6,432,704.10 : x - Step 2: Convert to fraction form
11,659,475.67/16,089,986.37 = 6,432,704.10/x - Step 3: Cross multiply
11,659,475.67x = 16,089,986.37 × 6,432,704.10 - Step 4: Simplify right side
11,659,475.67x = 103,502,121,291,243.11 - Step 5: Solve for x
x = 103,502,121,291,243.11/11,659,475.67 - Step 6: Final answer
x = 8,877,081.97
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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.