Finding the Fourth Proportional to 11,905,119.18, 17,855,765.55 and 3,267,201.42
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Solution
The fourth proportional to 11,905,119.18, 17,855,765.55 and 3,267,201.42 is: 4,900,277.07
Step by Step Solution
- Step 1: Write the proportion equation
11,905,119.18 : 17,855,765.55 = 3,267,201.42 : x - Step 2: Convert to fraction form
11,905,119.18/17,855,765.55 = 3,267,201.42/x - Step 3: Cross multiply
11,905,119.18x = 17,855,765.55 × 3,267,201.42 - Step 4: Simplify right side
11,905,119.18x = 58,338,382,560,147.09 - Step 5: Solve for x
x = 58,338,382,560,147.09/11,905,119.18 - Step 6: Final answer
x = 4,900,277.07
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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.