Finding the Fourth Proportional to 6,910,823.43, 10,366,239.74 and 2,866,225.26
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Solution
The fourth proportional to 6,910,823.43, 10,366,239.74 and 2,866,225.26 is: 4,299,339.80
Step by Step Solution
- Step 1: Write the proportion equation
6,910,823.43 : 10,366,239.74 = 2,866,225.26 : x - Step 2: Convert to fraction form
6,910,823.43/10,366,239.74 = 2,866,225.26/x - Step 3: Cross multiply
6,910,823.43x = 10,366,239.74 × 2,866,225.26 - Step 4: Simplify right side
6,910,823.43x = 29,711,978,194,003.83 - Step 5: Solve for x
x = 29,711,978,194,003.83/6,910,823.43 - Step 6: Final answer
x = 4,299,339.80
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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.