Finding the Fourth Proportional to 38,259,832.44, 57,400,929.36 and 12,351,526.14
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Solution
The fourth proportional to 38,259,832.44, 57,400,929.36 and 12,351,526.14 is: 18,530,898.71
Step by Step Solution
- Step 1: Write the proportion equation
38,259,832.44 : 57,400,929.36 = 12,351,526.14 : x - Step 2: Convert to fraction form
38,259,832.44/57,400,929.36 = 12,351,526.14/x - Step 3: Cross multiply
38,259,832.44x = 57,400,929.36 × 12,351,526.14 - Step 4: Simplify right side
38,259,832.44x = 708,989,079,450,333.50 - Step 5: Solve for x
x = 708,989,079,450,333.50/38,259,832.44 - Step 6: Final answer
x = 18,530,898.71
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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.