Finding the Fourth Proportional to 20,235,806.16, 30,351,473.08 and 5,089,743.44
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Solution
The fourth proportional to 20,235,806.16, 30,351,473.08 and 5,089,743.44 is: 7,634,052.72
Step by Step Solution
- Step 1: Write the proportion equation
20,235,806.16 : 30,351,473.08 = 5,089,743.44 : x - Step 2: Convert to fraction form
20,235,806.16/30,351,473.08 = 5,089,743.44/x - Step 3: Cross multiply
20,235,806.16x = 30,351,473.08 × 5,089,743.44 - Step 4: Simplify right side
20,235,806.16x = 154,481,211,003,266.59 - Step 5: Solve for x
x = 154,481,211,003,266.59/20,235,806.16 - Step 6: Final answer
x = 7,634,052.72
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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.