Finding the Fourth Proportional to 11,905,119.68, 17,855,766.30 and 3,267,201.92
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Solution
The fourth proportional to 11,905,119.68, 17,855,766.30 and 3,267,201.92 is: 4,900,277.82
Step by Step Solution
- Step 1: Write the proportion equation
11,905,119.68 : 17,855,766.30 = 3,267,201.92 : x - Step 2: Convert to fraction form
11,905,119.68/17,855,766.30 = 3,267,201.92/x - Step 3: Cross multiply
11,905,119.68x = 17,855,766.30 × 3,267,201.92 - Step 4: Simplify right side
11,905,119.68x = 58,338,393,938,431.30 - Step 5: Solve for x
x = 58,338,393,938,431.30/11,905,119.68 - Step 6: Final answer
x = 4,900,277.82
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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.