Finding the Fourth Proportional to 7,024,415.40, 10,534,380.84 and 2,230,983.36
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Solution
The fourth proportional to 7,024,415.40, 10,534,380.84 and 2,230,983.36 is: 3,345,762.89
Step by Step Solution
- Step 1: Write the proportion equation
7,024,415.40 : 10,534,380.84 = 2,230,983.36 : x - Step 2: Convert to fraction form
7,024,415.40/10,534,380.84 = 2,230,983.36/x - Step 3: Cross multiply
7,024,415.40x = 10,534,380.84 × 2,230,983.36 - Step 4: Simplify right side
7,024,415.40x = 23,502,028,361,942.82 - Step 5: Solve for x
x = 23,502,028,361,942.82/7,024,415.40 - Step 6: Final answer
x = 3,345,762.89
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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.