Finding the Fourth Proportional to 11,701,053.68, 17,553,450.40 and 3,612,128.00
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Solution
The fourth proportional to 11,701,053.68, 17,553,450.40 and 3,612,128.00 is: 5,418,769.23
Step by Step Solution
- Step 1: Write the proportion equation
11,701,053.68 : 17,553,450.40 = 3,612,128.00 : x - Step 2: Convert to fraction form
11,701,053.68/17,553,450.40 = 3,612,128.00/x - Step 3: Cross multiply
11,701,053.68x = 17,553,450.40 × 3,612,128.00 - Step 4: Simplify right side
11,701,053.68x = 63,405,309,589,653.63 - Step 5: Solve for x
x = 63,405,309,589,653.63/11,701,053.68 - Step 6: Final answer
x = 5,418,769.23
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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.