Finding the Fourth Proportional to 13,874,343.26, 20,811,015.95 and 3,639,121.29
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Solution
The fourth proportional to 13,874,343.26, 20,811,015.95 and 3,639,121.29 is: 5,458,551.07
Step by Step Solution
- Step 1: Write the proportion equation
13,874,343.26 : 20,811,015.95 = 3,639,121.29 : x - Step 2: Convert to fraction form
13,874,343.26/20,811,015.95 = 3,639,121.29/x - Step 3: Cross multiply
13,874,343.26x = 20,811,015.95 × 3,639,121.29 - Step 4: Simplify right side
13,874,343.26x = 75,733,811,191,978.97 - Step 5: Solve for x
x = 75,733,811,191,978.97/13,874,343.26 - Step 6: Final answer
x = 5,458,551.07
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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.