Finding the Fourth Proportional to 39,916,391.11, 55,084,609.46 and 22,512,697.09
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Solution
The fourth proportional to 39,916,391.11, 55,084,609.46 and 22,512,697.09 is: 31,067,516.19
Step by Step Solution
- Step 1: Write the proportion equation
39,916,391.11 : 55,084,609.46 = 22,512,697.09 : x - Step 2: Convert to fraction form
39,916,391.11/55,084,609.46 = 22,512,697.09/x - Step 3: Cross multiply
39,916,391.11x = 55,084,609.46 × 22,512,697.09 - Step 4: Simplify right side
39,916,391.11x = 1,240,103,127,012,498.50 - Step 5: Solve for x
x = 1,240,103,127,012,498.50/39,916,391.11 - Step 6: Final answer
x = 31,067,516.19
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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.