Finding the Fourth Proportional to 18,604,040.93, 27,909,786.42 and 10,418,324.03
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Solution
The fourth proportional to 18,604,040.93, 27,909,786.42 and 10,418,324.03 is: 15,629,572.07
Step by Step Solution
- Step 1: Write the proportion equation
18,604,040.93 : 27,909,786.42 = 10,418,324.03 : x - Step 2: Convert to fraction form
18,604,040.93/27,909,786.42 = 10,418,324.03/x - Step 3: Cross multiply
18,604,040.93x = 27,909,786.42 × 10,418,324.03 - Step 4: Simplify right side
18,604,040.93x = 290,773,198,496,766.50 - Step 5: Solve for x
x = 290,773,198,496,766.50/18,604,040.93 - Step 6: Final answer
x = 15,629,572.07
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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.