Finding the Fourth Proportional to 33,780,608.28, 50,670,203.94 and 8,221,760.28
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Solution
The fourth proportional to 33,780,608.28, 50,670,203.94 and 8,221,760.28 is: 12,332,467.99
Step by Step Solution
- Step 1: Write the proportion equation
33,780,608.28 : 50,670,203.94 = 8,221,760.28 : x - Step 2: Convert to fraction form
33,780,608.28/50,670,203.94 = 8,221,760.28/x - Step 3: Cross multiply
33,780,608.28x = 50,670,203.94 × 8,221,760.28 - Step 4: Simplify right side
33,780,608.28x = 416,598,270,133,391.50 - Step 5: Solve for x
x = 416,598,270,133,391.50/33,780,608.28 - Step 6: Final answer
x = 12,332,467.99
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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.