Finding the Fourth Proportional to 12,132,866.26, 16,743,453.39 and 6,700,358.26
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Solution
The fourth proportional to 12,132,866.26, 16,743,453.39 and 6,700,358.26 is: 9,246,548.49
Step by Step Solution
- Step 1: Write the proportion equation
12,132,866.26 : 16,743,453.39 = 6,700,358.26 : x - Step 2: Convert to fraction form
12,132,866.26/16,743,453.39 = 6,700,358.26/x - Step 3: Cross multiply
12,132,866.26x = 16,743,453.39 × 6,700,358.26 - Step 4: Simplify right side
12,132,866.26x = 112,187,136,222,611.50 - Step 5: Solve for x
x = 112,187,136,222,611.50/12,132,866.26 - Step 6: Final answer
x = 9,246,548.49
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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.