Finding the Fourth Proportional to 40,101,268.38, 55,338,318.53 and 22,697,239.94
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Solution
The fourth proportional to 40,101,268.38, 55,338,318.53 and 22,697,239.94 is: 31,321,380.69
Step by Step Solution
- Step 1: Write the proportion equation
40,101,268.38 : 55,338,318.53 = 22,697,239.94 : x - Step 2: Convert to fraction form
40,101,268.38/55,338,318.53 = 22,697,239.94/x - Step 3: Cross multiply
40,101,268.38x = 55,338,318.53 × 22,697,239.94 - Step 4: Simplify right side
40,101,268.38x = 1,256,027,093,161,380.25 - Step 5: Solve for x
x = 1,256,027,093,161,380.25/40,101,268.38 - Step 6: Final answer
x = 31,321,380.69
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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.