Finding the Fourth Proportional to 7,647,529.21, 10,553,827.97 and 4,163,099.96
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Solution
The fourth proportional to 7,647,529.21, 10,553,827.97 and 4,163,099.96 is: 5,745,207.33
Step by Step Solution
- Step 1: Write the proportion equation
7,647,529.21 : 10,553,827.97 = 4,163,099.96 : x - Step 2: Convert to fraction form
7,647,529.21/10,553,827.97 = 4,163,099.96/x - Step 3: Cross multiply
7,647,529.21x = 10,553,827.97 × 4,163,099.96 - Step 4: Simplify right side
7,647,529.21x = 43,936,640,836,546.20 - Step 5: Solve for x
x = 43,936,640,836,546.20/7,647,529.21 - Step 6: Final answer
x = 5,745,207.33
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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.