Finding the Fourth Proportional to 18,028,938.53, 27,043,171.57 and 4,382,045.26
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Solution
The fourth proportional to 18,028,938.53, 27,043,171.57 and 4,382,045.26 is: 6,573,010.48
Step by Step Solution
- Step 1: Write the proportion equation
18,028,938.53 : 27,043,171.57 = 4,382,045.26 : x - Step 2: Convert to fraction form
18,028,938.53/27,043,171.57 = 4,382,045.26/x - Step 3: Cross multiply
18,028,938.53x = 27,043,171.57 × 4,382,045.26 - Step 4: Simplify right side
18,028,938.53x = 118,504,401,883,672.70 - Step 5: Solve for x
x = 118,504,401,883,672.70/18,028,938.53 - Step 6: Final answer
x = 6,573,010.48
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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.