Finding the Fourth Proportional to 6,964,588.76, 9,611,608.62 and 3,867,272.12
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Solution
The fourth proportional to 6,964,588.76, 9,611,608.62 and 3,867,272.12 is: 5,337,099.91
Step by Step Solution
- Step 1: Write the proportion equation
6,964,588.76 : 9,611,608.62 = 3,867,272.12 : x - Step 2: Convert to fraction form
6,964,588.76/9,611,608.62 = 3,867,272.12/x - Step 3: Cross multiply
6,964,588.76x = 9,611,608.62 × 3,867,272.12 - Step 4: Simplify right side
6,964,588.76x = 37,170,706,044,477.67 - Step 5: Solve for x
x = 37,170,706,044,477.67/6,964,588.76 - Step 6: Final answer
x = 5,337,099.91
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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.