Finding the Fourth Proportional to 7,110,790.97, 9,812,817.92 and 3,847,533.71
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Solution
The fourth proportional to 7,110,790.97, 9,812,817.92 and 3,847,533.71 is: 5,309,556.68
Step by Step Solution
- Step 1: Write the proportion equation
7,110,790.97 : 9,812,817.92 = 3,847,533.71 : x - Step 2: Convert to fraction form
7,110,790.97/9,812,817.92 = 3,847,533.71/x - Step 3: Cross multiply
7,110,790.97x = 9,812,817.92 × 3,847,533.71 - Step 4: Simplify right side
7,110,790.97x = 37,755,147,697,846.83 - Step 5: Solve for x
x = 37,755,147,697,846.83/7,110,790.97 - Step 6: Final answer
x = 5,309,556.68
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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.