Finding the Fourth Proportional to 35,784,052.20, 49,382,556.90 and 19,486,516.20
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Solution
The fourth proportional to 35,784,052.20, 49,382,556.90 and 19,486,516.20 is: 26,891,699.96
Step by Step Solution
- Step 1: Write the proportion equation
35,784,052.20 : 49,382,556.90 = 19,486,516.20 : x - Step 2: Convert to fraction form
35,784,052.20/49,382,556.90 = 19,486,516.20/x - Step 3: Cross multiply
35,784,052.20x = 49,382,556.90 × 19,486,516.20 - Step 4: Simplify right side
35,784,052.20x = 962,293,995,029,271.75 - Step 5: Solve for x
x = 962,293,995,029,271.75/35,784,052.20 - Step 6: Final answer
x = 26,891,699.96
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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.