Finding the Fourth Proportional to 7,377,552.38, 10,181,001.84 and 4,114,370.18
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Solution
The fourth proportional to 7,377,552.38, 10,181,001.84 and 4,114,370.18 is: 5,677,819.45
Step by Step Solution
- Step 1: Write the proportion equation
7,377,552.38 : 10,181,001.84 = 4,114,370.18 : x - Step 2: Convert to fraction form
7,377,552.38/10,181,001.84 = 4,114,370.18/x - Step 3: Cross multiply
7,377,552.38x = 10,181,001.84 × 4,114,370.18 - Step 4: Simplify right side
7,377,552.38x = 41,888,410,373,021.13 - Step 5: Solve for x
x = 41,888,410,373,021.13/7,377,552.38 - Step 6: Final answer
x = 5,677,819.45
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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.