Finding the Fourth Proportional to 38,554,912.28, 53,202,390.36 and 22,031,757.92
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Solution
The fourth proportional to 38,554,912.28, 53,202,390.36 and 22,031,757.92 is: 30,401,889.56
Step by Step Solution
- Step 1: Write the proportion equation
38,554,912.28 : 53,202,390.36 = 22,031,757.92 : x - Step 2: Convert to fraction form
38,554,912.28/53,202,390.36 = 22,031,757.92/x - Step 3: Cross multiply
38,554,912.28x = 53,202,390.36 × 22,031,757.92 - Step 4: Simplify right side
38,554,912.28x = 1,172,142,185,176,861.75 - Step 5: Solve for x
x = 1,172,142,185,176,861.75/38,554,912.28 - Step 6: Final answer
x = 30,401,889.56
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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.