Finding the Fourth Proportional to 10,869,201.09, 16,303,791.09 and 2,782,163.70
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Solution
The fourth proportional to 10,869,201.09, 16,303,791.09 and 2,782,163.70 is: 4,173,242.85
Step by Step Solution
- Step 1: Write the proportion equation
10,869,201.09 : 16,303,791.09 = 2,782,163.70 : x - Step 2: Convert to fraction form
10,869,201.09/16,303,791.09 = 2,782,163.70/x - Step 3: Cross multiply
10,869,201.09x = 16,303,791.09 × 2,782,163.70 - Step 4: Simplify right side
10,869,201.09x = 45,359,815,742,981.44 - Step 5: Solve for x
x = 45,359,815,742,981.44/10,869,201.09 - Step 6: Final answer
x = 4,173,242.85
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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.