Finding the Fourth Proportional to 18,324,557.43, 25,276,268.76 and 11,257,057.95
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Solution
The fourth proportional to 18,324,557.43, 25,276,268.76 and 11,257,057.95 is: 15,527,601.32
Step by Step Solution
- Step 1: Write the proportion equation
18,324,557.43 : 25,276,268.76 = 11,257,057.95 : x - Step 2: Convert to fraction form
18,324,557.43/25,276,268.76 = 11,257,057.95/x - Step 3: Cross multiply
18,324,557.43x = 25,276,268.76 × 11,257,057.95 - Step 4: Simplify right side
18,324,557.43x = 284,536,422,191,094.62 - Step 5: Solve for x
x = 284,536,422,191,094.62/18,324,557.43 - Step 6: Final answer
x = 15,527,601.32
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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.