Finding the Fourth Proportional to 10,120,912.05, 15,181,368.62 and 2,932,450.68
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Solution
The fourth proportional to 10,120,912.05, 15,181,368.62 and 2,932,450.68 is: 4,398,676.18
Step by Step Solution
- Step 1: Write the proportion equation
10,120,912.05 : 15,181,368.62 = 2,932,450.68 : x - Step 2: Convert to fraction form
10,120,912.05/15,181,368.62 = 2,932,450.68/x - Step 3: Cross multiply
10,120,912.05x = 15,181,368.62 × 2,932,450.68 - Step 4: Simplify right side
10,120,912.05x = 44,518,614,718,387.41 - Step 5: Solve for x
x = 44,518,614,718,387.41/10,120,912.05 - Step 6: Final answer
x = 4,398,676.18
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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.