Finding the Fourth Proportional to 10,764,398.99, 16,146,598.49 and 7,388,370.83
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Solution
The fourth proportional to 10,764,398.99, 16,146,598.49 and 7,388,370.83 is: 11,082,556.25
Step by Step Solution
- Step 1: Write the proportion equation
10,764,398.99 : 16,146,598.49 = 7,388,370.83 : x - Step 2: Convert to fraction form
10,764,398.99/16,146,598.49 = 7,388,370.83/x - Step 3: Cross multiply
10,764,398.99x = 16,146,598.49 × 7,388,370.83 - Step 4: Simplify right side
10,764,398.99x = 119,297,057,287,238.05 - Step 5: Solve for x
x = 119,297,057,287,238.05/10,764,398.99 - Step 6: Final answer
x = 11,082,556.25
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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.