Finding the Fourth Proportional to 9,647,134.34, 13,313,201.37 and 5,296,621.70
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Solution
The fourth proportional to 9,647,134.34, 13,313,201.37 and 5,296,621.70 is: 7,309,423.59
Step by Step Solution
- Step 1: Write the proportion equation
9,647,134.34 : 13,313,201.37 = 5,296,621.70 : x - Step 2: Convert to fraction form
9,647,134.34/13,313,201.37 = 5,296,621.70/x - Step 3: Cross multiply
9,647,134.34x = 13,313,201.37 × 5,296,621.70 - Step 4: Simplify right side
9,647,134.34x = 70,514,991,272,811.73 - Step 5: Solve for x
x = 70,514,991,272,811.73/9,647,134.34 - Step 6: Final answer
x = 7,309,423.59
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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.