Finding the Fourth Proportional to 7,640,097.96, 10,543,112.88 and 4,202,338.08
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Solution
The fourth proportional to 7,640,097.96, 10,543,112.88 and 4,202,338.08 is: 5,799,104.27
Step by Step Solution
- Step 1: Write the proportion equation
7,640,097.96 : 10,543,112.88 = 4,202,338.08 : x - Step 2: Convert to fraction form
7,640,097.96/10,543,112.88 = 4,202,338.08/x - Step 3: Cross multiply
7,640,097.96x = 10,543,112.88 × 4,202,338.08 - Step 4: Simplify right side
7,640,097.96x = 44,305,724,737,362.48 - Step 5: Solve for x
x = 44,305,724,737,362.48/7,640,097.96 - Step 6: Final answer
x = 5,799,104.27
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.