Finding the Fourth Proportional to 7,025,332.24, 9,694,832.11 and 3,969,480.88
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Solution
The fourth proportional to 7,025,332.24, 9,694,832.11 and 3,969,480.88 is: 5,477,812.21
Step by Step Solution
- Step 1: Write the proportion equation
7,025,332.24 : 9,694,832.11 = 3,969,480.88 : x - Step 2: Convert to fraction form
7,025,332.24/9,694,832.11 = 3,969,480.88/x - Step 3: Cross multiply
7,025,332.24x = 9,694,832.11 × 3,969,480.88 - Step 4: Simplify right side
7,025,332.24x = 38,483,450,695,455.05 - Step 5: Solve for x
x = 38,483,450,695,455.05/7,025,332.24 - Step 6: Final answer
x = 5,477,812.21
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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.