Finding the Fourth Proportional to 8,555,715.24, 11,806,683.30 and 4,688,049.48
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Solution
The fourth proportional to 8,555,715.24, 11,806,683.30 and 4,688,049.48 is: 6,469,396.65
Step by Step Solution
- Step 1: Write the proportion equation
8,555,715.24 : 11,806,683.30 = 4,688,049.48 : x - Step 2: Convert to fraction form
8,555,715.24/11,806,683.30 = 4,688,049.48/x - Step 3: Cross multiply
8,555,715.24x = 11,806,683.30 × 4,688,049.48 - Step 4: Simplify right side
8,555,715.24x = 55,350,315,505,089.70 - Step 5: Solve for x
x = 55,350,315,505,089.70/8,555,715.24 - Step 6: Final answer
x = 6,469,396.65
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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.