Finding the Fourth Proportional to 9,659,616.70, 14,489,425.05 and 5,180,640.70
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Solution
The fourth proportional to 9,659,616.70, 14,489,425.05 and 5,180,640.70 is: 7,770,961.05
Step by Step Solution
- Step 1: Write the proportion equation
9,659,616.70 : 14,489,425.05 = 5,180,640.70 : x - Step 2: Convert to fraction form
9,659,616.70/14,489,425.05 = 5,180,640.70/x - Step 3: Cross multiply
9,659,616.70x = 14,489,425.05 × 5,180,640.70 - Step 4: Simplify right side
9,659,616.70x = 75,064,505,133,629.55 - Step 5: Solve for x
x = 75,064,505,133,629.55/9,659,616.70 - Step 6: Final answer
x = 7,770,961.05
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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.