Finding the Fourth Proportional to 7,734,109.20, 11,601,754.20 and 2,343,206.10
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Solution
The fourth proportional to 7,734,109.20, 11,601,754.20 and 2,343,206.10 is: 3,514,988.02
Step by Step Solution
- Step 1: Write the proportion equation
7,734,109.20 : 11,601,754.20 = 2,343,206.10 : x - Step 2: Convert to fraction form
7,734,109.20/11,601,754.20 = 2,343,206.10/x - Step 3: Cross multiply
7,734,109.20x = 11,601,754.20 × 2,343,206.10 - Step 4: Simplify right side
7,734,109.20x = 27,185,301,212,140.62 - Step 5: Solve for x
x = 27,185,301,212,140.62/7,734,109.20 - Step 6: Final answer
x = 3,514,988.02
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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.