Finding the Fourth Proportional to 11,980,905.44, 17,971,357.53 and 2,883,003.97
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Solution
The fourth proportional to 11,980,905.44, 17,971,357.53 and 2,883,003.97 is: 4,324,505.80
Step by Step Solution
- Step 1: Write the proportion equation
11,980,905.44 : 17,971,357.53 = 2,883,003.97 : x - Step 2: Convert to fraction form
11,980,905.44/17,971,357.53 = 2,883,003.97/x - Step 3: Cross multiply
11,980,905.44x = 17,971,357.53 × 2,883,003.97 - Step 4: Simplify right side
11,980,905.44x = 51,811,495,015,422.61 - Step 5: Solve for x
x = 51,811,495,015,422.61/11,980,905.44 - Step 6: Final answer
x = 4,324,505.80
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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.