Finding the Fourth Proportional to 27,735,576.63, 38,275,226.97 and 15,512,433.63
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Solution
The fourth proportional to 27,735,576.63, 38,275,226.97 and 15,512,433.63 is: 21,407,231.80
Step by Step Solution
- Step 1: Write the proportion equation
27,735,576.63 : 38,275,226.97 = 15,512,433.63 : x - Step 2: Convert to fraction form
27,735,576.63/38,275,226.97 = 15,512,433.63/x - Step 3: Cross multiply
27,735,576.63x = 38,275,226.97 × 15,512,433.63 - Step 4: Simplify right side
27,735,576.63x = 593,741,917,843,607.38 - Step 5: Solve for x
x = 593,741,917,843,607.38/27,735,576.63 - Step 6: Final answer
x = 21,407,231.80
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1.5x scale
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.