Finding the Fourth Proportional to 18,431,567.33, 27,647,350.99 and 18,431,567.33
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Solution
The fourth proportional to 18,431,567.33, 27,647,350.99 and 18,431,567.33 is: 27,647,350.99
Step by Step Solution
- Step 1: Write the proportion equation
18,431,567.33 : 27,647,350.99 = 18,431,567.33 : x - Step 2: Convert to fraction form
18,431,567.33/27,647,350.99 = 18,431,567.33/x - Step 3: Cross multiply
18,431,567.33x = 27,647,350.99 × 18,431,567.33 - Step 4: Simplify right side
18,431,567.33x = 509,584,011,084,011.50 - Step 5: Solve for x
x = 509,584,011,084,011.50/18,431,567.33 - Step 6: Final answer
x = 27,647,350.99
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1.5x scale
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.