Finding the Fourth Proportional to 10,517,399.36, 15,777,843.24 and 3,692,201.12
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Solution
The fourth proportional to 10,517,399.36, 15,777,843.24 and 3,692,201.12 is: 5,538,913.99
Step by Step Solution
- Step 1: Write the proportion equation
10,517,399.36 : 15,777,843.24 = 3,692,201.12 : x - Step 2: Convert to fraction form
10,517,399.36/15,777,843.24 = 3,692,201.12/x - Step 3: Cross multiply
10,517,399.36x = 15,777,843.24 × 3,692,201.12 - Step 4: Simplify right side
10,517,399.36x = 58,254,970,481,912.43 - Step 5: Solve for x
x = 58,254,970,481,912.43/10,517,399.36 - Step 6: Final answer
x = 5,538,913.99
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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.