Finding the Fourth Proportional to 13,764,010.56, 18,995,398.80 and 8,257,591.68
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Solution
The fourth proportional to 13,764,010.56, 18,995,398.80 and 8,257,591.68 is: 11,396,114.99
Step by Step Solution
- Step 1: Write the proportion equation
13,764,010.56 : 18,995,398.80 = 8,257,591.68 : x - Step 2: Convert to fraction form
13,764,010.56/18,995,398.80 = 8,257,591.68/x - Step 3: Cross multiply
13,764,010.56x = 18,995,398.80 × 8,257,591.68 - Step 4: Simplify right side
13,764,010.56x = 156,856,247,089,162 - Step 5: Solve for x
x = 156,856,247,089,162/13,764,010.56 - Step 6: Final answer
x = 11,396,114.99
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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.