Finding the Fourth Proportional to 20,256,975.26, 27,954,625.05 and 11,089,618.01
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Solution
The fourth proportional to 20,256,975.26, 27,954,625.05 and 11,089,618.01 is: 15,303,672.41
Step by Step Solution
- Step 1: Write the proportion equation
20,256,975.26 : 27,954,625.05 = 11,089,618.01 : x - Step 2: Convert to fraction form
20,256,975.26/27,954,625.05 = 11,089,618.01/x - Step 3: Cross multiply
20,256,975.26x = 27,954,625.05 × 11,089,618.01 - Step 4: Simplify right side
20,256,975.26x = 310,006,113,277,504.06 - Step 5: Solve for x
x = 310,006,113,277,504.06/20,256,975.26 - Step 6: Final answer
x = 15,303,672.41
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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.