Finding the Fourth Proportional to 36,038,378.72, 49,733,765.70 and 20,568,153.08
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Solution
The fourth proportional to 36,038,378.72, 49,733,765.70 and 20,568,153.08 is: 28,384,509.58
Step by Step Solution
- Step 1: Write the proportion equation
36,038,378.72 : 49,733,765.70 = 20,568,153.08 : x - Step 2: Convert to fraction form
36,038,378.72/49,733,765.70 = 20,568,153.08/x - Step 3: Cross multiply
36,038,378.72x = 49,733,765.70 × 20,568,153.08 - Step 4: Simplify right side
36,038,378.72x = 1,022,931,706,162,453.38 - Step 5: Solve for x
x = 1,022,931,706,162,453.38/36,038,378.72 - Step 6: Final answer
x = 28,384,509.58
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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.