Finding the Fourth Proportional to 18,295,182.36, 25,247,280.87 and 11,324,470.50
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Solution
The fourth proportional to 18,295,182.36, 25,247,280.87 and 11,324,470.50 is: 15,627,725.47
Step by Step Solution
- Step 1: Write the proportion equation
18,295,182.36 : 25,247,280.87 = 11,324,470.50 : x - Step 2: Convert to fraction form
18,295,182.36/25,247,280.87 = 11,324,470.50/x - Step 3: Cross multiply
18,295,182.36x = 25,247,280.87 × 11,324,470.50 - Step 4: Simplify right side
18,295,182.36x = 285,912,087,417,529.38 - Step 5: Solve for x
x = 285,912,087,417,529.38/18,295,182.36 - Step 6: Final answer
x = 15,627,725.47
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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.