Finding the Fourth Proportional to 27,688,523.70, 41,532,785.55 and 16,351,115.70
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Solution
The fourth proportional to 27,688,523.70, 41,532,785.55 and 16,351,115.70 is: 24,526,673.55
Step by Step Solution
- Step 1: Write the proportion equation
27,688,523.70 : 41,532,785.55 = 16,351,115.70 : x - Step 2: Convert to fraction form
27,688,523.70/41,532,785.55 = 16,351,115.70/x - Step 3: Cross multiply
27,688,523.70x = 41,532,785.55 × 16,351,115.70 - Step 4: Simplify right side
27,688,523.70x = 679,107,381,871,338 - Step 5: Solve for x
x = 679,107,381,871,338/27,688,523.70 - Step 6: Final answer
x = 24,526,673.55
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1.5x scale
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.