Finding the Fourth Proportional to 20,274,850.08, 27,979,059.96 and 10,982,244.96
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Solution
The fourth proportional to 20,274,850.08, 27,979,059.96 and 10,982,244.96 is: 15,155,371.75
Step by Step Solution
- Step 1: Write the proportion equation
20,274,850.08 : 27,979,059.96 = 10,982,244.96 : x - Step 2: Convert to fraction form
20,274,850.08/27,979,059.96 = 10,982,244.96/x - Step 3: Cross multiply
20,274,850.08x = 27,979,059.96 × 10,982,244.96 - Step 4: Simplify right side
20,274,850.08x = 307,272,890,231,247.81 - Step 5: Solve for x
x = 307,272,890,231,247.81/20,274,850.08 - Step 6: Final answer
x = 15,155,371.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.