Finding the Fourth Proportional to 38,784,841.20, 58,177,261.80 and 27,305,715.60
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Solution
The fourth proportional to 38,784,841.20, 58,177,261.80 and 27,305,715.60 is: 40,958,573.40
Step by Step Solution
- Step 1: Write the proportion equation
38,784,841.20 : 58,177,261.80 = 27,305,715.60 : x - Step 2: Convert to fraction form
38,784,841.20/58,177,261.80 = 27,305,715.60/x - Step 3: Cross multiply
38,784,841.20x = 58,177,261.80 × 27,305,715.60 - Step 4: Simplify right side
38,784,841.20x = 1,588,571,765,097,544 - Step 5: Solve for x
x = 1,588,571,765,097,544/38,784,841.20 - Step 6: Final answer
x = 40,958,573.40
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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.