Finding the Fourth Proportional to 11,448,869.90, 17,173,217.36 and 2,929,192.70
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Solution
The fourth proportional to 11,448,869.90, 17,173,217.36 and 2,929,192.70 is: 4,393,766.67
Step by Step Solution
- Step 1: Write the proportion equation
11,448,869.90 : 17,173,217.36 = 2,929,192.70 : x - Step 2: Convert to fraction form
11,448,869.90/17,173,217.36 = 2,929,192.70/x - Step 3: Cross multiply
11,448,869.90x = 17,173,217.36 × 2,929,192.70 - Step 4: Simplify right side
11,448,869.90x = 50,303,662,976,681.30 - Step 5: Solve for x
x = 50,303,662,976,681.30/11,448,869.90 - Step 6: Final answer
x = 4,393,766.67
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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.