Finding the Fourth Proportional to 39,576,107.57, 54,613,708.04 and 21,934,258.36
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Solution
The fourth proportional to 39,576,107.57, 54,613,708.04 and 21,934,258.36 is: 30,268,544.72
Step by Step Solution
- Step 1: Write the proportion equation
39,576,107.57 : 54,613,708.04 = 21,934,258.36 : x - Step 2: Convert to fraction form
39,576,107.57/54,613,708.04 = 21,934,258.36/x - Step 3: Cross multiply
39,576,107.57x = 54,613,708.04 × 21,934,258.36 - Step 4: Simplify right side
39,576,107.57x = 1,197,911,181,764,229.25 - Step 5: Solve for x
x = 1,197,911,181,764,229.25/39,576,107.57 - Step 6: Final answer
x = 30,268,544.72
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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.