Finding the Fourth Proportional to 39,090,556.26, 53,944,946.60 and 21,449,574.70
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Solution
The fourth proportional to 39,090,556.26, 53,944,946.60 and 21,449,574.70 is: 29,600,401.54
Step by Step Solution
- Step 1: Write the proportion equation
39,090,556.26 : 53,944,946.60 = 21,449,574.70 : x - Step 2: Convert to fraction form
39,090,556.26/53,944,946.60 = 21,449,574.70/x - Step 3: Cross multiply
39,090,556.26x = 53,944,946.60 × 21,449,574.70 - Step 4: Simplify right side
39,090,556.26x = 1,157,096,161,542,100.75 - Step 5: Solve for x
x = 1,157,096,161,542,100.75/39,090,556.26 - Step 6: Final answer
x = 29,600,401.54
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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.