Finding the Fourth Proportional to 36,080,448.57, 49,796,410.16 and 28,403,262.09
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Solution
The fourth proportional to 36,080,448.57, 49,796,410.16 and 28,403,262.09 is: 39,200,745.70
Step by Step Solution
- Step 1: Write the proportion equation
36,080,448.57 : 49,796,410.16 = 28,403,262.09 : x - Step 2: Convert to fraction form
36,080,448.57/49,796,410.16 = 28,403,262.09/x - Step 3: Cross multiply
36,080,448.57x = 49,796,410.16 × 28,403,262.09 - Step 4: Simplify right side
36,080,448.57x = 1,414,380,488,986,627 - Step 5: Solve for x
x = 1,414,380,488,986,627/36,080,448.57 - Step 6: Final answer
x = 39,200,745.70
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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.