Finding the Fourth Proportional to 6,949,121.68, 10,435,640.08 and 6,650,186.08
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Solution
The fourth proportional to 6,949,121.68, 10,435,640.08 and 6,650,186.08 is: 9,986,722.29
Step by Step Solution
- Step 1: Write the proportion equation
6,949,121.68 : 10,435,640.08 = 6,650,186.08 : x - Step 2: Convert to fraction form
6,949,121.68/10,435,640.08 = 6,650,186.08/x - Step 3: Cross multiply
6,949,121.68x = 10,435,640.08 × 6,650,186.08 - Step 4: Simplify right side
6,949,121.68x = 69,398,948,395,906.09 - Step 5: Solve for x
x = 69,398,948,395,906.09/6,949,121.68 - Step 6: Final answer
x = 9,986,722.29
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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.