Finding the Fourth Proportional to 18,206,886.70, 27,310,330.05 and 17,367,078.70
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Solution
The fourth proportional to 18,206,886.70, 27,310,330.05 and 17,367,078.70 is: 26,050,618.05
Step by Step Solution
- Step 1: Write the proportion equation
18,206,886.70 : 27,310,330.05 = 17,367,078.70 : x - Step 2: Convert to fraction form
18,206,886.70/27,310,330.05 = 17,367,078.70/x - Step 3: Cross multiply
18,206,886.70x = 27,310,330.05 × 17,367,078.70 - Step 4: Simplify right side
18,206,886.70x = 474,300,651,301,324.94 - Step 5: Solve for x
x = 474,300,651,301,324.94/18,206,886.70 - Step 6: Final answer
x = 26,050,618.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.