Finding the Fourth Proportional to 7,107,611.74, 10,661,409.37 and 2,315,293.31
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Solution
The fourth proportional to 7,107,611.74, 10,661,409.37 and 2,315,293.31 is: 3,472,937.28
Step by Step Solution
- Step 1: Write the proportion equation
7,107,611.74 : 10,661,409.37 = 2,315,293.31 : x - Step 2: Convert to fraction form
7,107,611.74/10,661,409.37 = 2,315,293.31/x - Step 3: Cross multiply
7,107,611.74x = 10,661,409.37 × 2,315,293.31 - Step 4: Simplify right side
7,107,611.74x = 24,684,289,789,532.31 - Step 5: Solve for x
x = 24,684,289,789,532.31/7,107,611.74 - Step 6: Final answer
x = 3,472,937.28
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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.