Finding the Fourth Proportional to 7,631,910.32, 10,532,439.84 and 4,324,846.44
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Solution
The fourth proportional to 7,631,910.32, 10,532,439.84 and 4,324,846.44 is: 5,968,516.80
Step by Step Solution
- Step 1: Write the proportion equation
7,631,910.32 : 10,532,439.84 = 4,324,846.44 : x - Step 2: Convert to fraction form
7,631,910.32/10,532,439.84 = 4,324,846.44/x - Step 3: Cross multiply
7,631,910.32x = 10,532,439.84 × 4,324,846.44 - Step 4: Simplify right side
7,631,910.32x = 45,551,184,946,538.17 - Step 5: Solve for x
x = 45,551,184,946,538.17/7,631,910.32 - Step 6: Final answer
x = 5,968,516.80
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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.