Finding the Fourth Proportional to 20,693,001.99, 28,556,350.56 and 11,996,216.01
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Solution
The fourth proportional to 20,693,001.99, 28,556,350.56 and 11,996,216.01 is: 16,554,782.62
Step by Step Solution
- Step 1: Write the proportion equation
20,693,001.99 : 28,556,350.56 = 11,996,216.01 : x - Step 2: Convert to fraction form
20,693,001.99/28,556,350.56 = 11,996,216.01/x - Step 3: Cross multiply
20,693,001.99x = 28,556,350.56 × 11,996,216.01 - Step 4: Simplify right side
20,693,001.99x = 342,568,149,775,044.44 - Step 5: Solve for x
x = 342,568,149,775,044.44/20,693,001.99 - Step 6: Final answer
x = 16,554,782.62
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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.