Finding the Fourth Proportional to 7,383,860.49, 10,190,238.99 and 4,121,311.71
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Solution
The fourth proportional to 7,383,860.49, 10,190,238.99 and 4,121,311.71 is: 5,687,695.66
Step by Step Solution
- Step 1: Write the proportion equation
7,383,860.49 : 10,190,238.99 = 4,121,311.71 : x - Step 2: Convert to fraction form
7,383,860.49/10,190,238.99 = 4,121,311.71/x - Step 3: Cross multiply
7,383,860.49x = 10,190,238.99 × 4,121,311.71 - Step 4: Simplify right side
7,383,860.49x = 41,997,151,277,185.57 - Step 5: Solve for x
x = 41,997,151,277,185.57/7,383,860.49 - Step 6: Final answer
x = 5,687,695.66
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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.