Finding the Fourth Proportional to 11,072,213.70, 16,608,320.55 and 10,062,475.80
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Solution
The fourth proportional to 11,072,213.70, 16,608,320.55 and 10,062,475.80 is: 15,093,713.70
Step by Step Solution
- Step 1: Write the proportion equation
11,072,213.70 : 16,608,320.55 = 10,062,475.80 : x - Step 2: Convert to fraction form
11,072,213.70/16,608,320.55 = 10,062,475.80/x - Step 3: Cross multiply
11,072,213.70x = 16,608,320.55 × 10,062,475.80 - Step 4: Simplify right side
11,072,213.70x = 167,120,823,613,017.72 - Step 5: Solve for x
x = 167,120,823,613,017.72/11,072,213.70 - Step 6: Final answer
x = 15,093,713.70
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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.