Finding the Fourth Proportional to 13,206,883.20, 19,810,324.80 and 3,622,246.35
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Solution
The fourth proportional to 13,206,883.20, 19,810,324.80 and 3,622,246.35 is: 5,433,369.53
Step by Step Solution
- Step 1: Write the proportion equation
13,206,883.20 : 19,810,324.80 = 3,622,246.35 : x - Step 2: Convert to fraction form
13,206,883.20/19,810,324.80 = 3,622,246.35/x - Step 3: Cross multiply
13,206,883.20x = 19,810,324.80 × 3,622,246.35 - Step 4: Simplify right side
13,206,883.20x = 71,757,876,699,114.48 - Step 5: Solve for x
x = 71,757,876,699,114.48/13,206,883.20 - Step 6: Final answer
x = 5,433,369.53
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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.