Finding the Fourth Proportional to 20,049,367.11, 27,668,147.09 and 10,882,011.75
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Solution
The fourth proportional to 20,049,367.11, 27,668,147.09 and 10,882,011.75 is: 15,017,187.33
Step by Step Solution
- Step 1: Write the proportion equation
20,049,367.11 : 27,668,147.09 = 10,882,011.75 : x - Step 2: Convert to fraction form
20,049,367.11/27,668,147.09 = 10,882,011.75/x - Step 3: Cross multiply
20,049,367.11x = 27,668,147.09 × 10,882,011.75 - Step 4: Simplify right side
20,049,367.11x = 301,085,101,734,108.31 - Step 5: Solve for x
x = 301,085,101,734,108.31/20,049,367.11 - Step 6: Final answer
x = 15,017,187.33
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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.