Finding the Fourth Proportional to 10,273,846.05, 15,412,977.65 and 2,987,432.42
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Solution
The fourth proportional to 10,273,846.05, 15,412,977.65 and 2,987,432.42 is: 4,481,790.83
Step by Step Solution
- Step 1: Write the proportion equation
10,273,846.05 : 15,412,977.65 = 2,987,432.42 : x - Step 2: Convert to fraction form
10,273,846.05/15,412,977.65 = 2,987,432.42/x - Step 3: Cross multiply
10,273,846.05x = 15,412,977.65 × 2,987,432.42 - Step 4: Simplify right side
10,273,846.05x = 46,045,229,028,343.36 - Step 5: Solve for x
x = 46,045,229,028,343.36/10,273,846.05 - Step 6: Final answer
x = 4,481,790.83
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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.