Finding the Fourth Proportional to 10,378,850.99, 15,569,762.25 and 3,190,988.41
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Solution
The fourth proportional to 10,378,850.99, 15,569,762.25 and 3,190,988.41 is: 4,786,939.41
Step by Step Solution
- Step 1: Write the proportion equation
10,378,850.99 : 15,569,762.25 = 3,190,988.41 : x - Step 2: Convert to fraction form
10,378,850.99/15,569,762.25 = 3,190,988.41/x - Step 3: Cross multiply
10,378,850.99x = 15,569,762.25 × 3,190,988.41 - Step 4: Simplify right side
10,378,850.99x = 49,682,930,886,205.52 - Step 5: Solve for x
x = 49,682,930,886,205.52/10,378,850.99 - Step 6: Final answer
x = 4,786,939.41
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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.