Finding the Fourth Proportional to 11,239,954.21, 15,511,136.40 and 6,083,315.74
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Solution
The fourth proportional to 11,239,954.21, 15,511,136.40 and 6,083,315.74 is: 8,394,975.50
Step by Step Solution
- Step 1: Write the proportion equation
11,239,954.21 : 15,511,136.40 = 6,083,315.74 : x - Step 2: Convert to fraction form
11,239,954.21/15,511,136.40 = 6,083,315.74/x - Step 3: Cross multiply
11,239,954.21x = 15,511,136.40 × 6,083,315.74 - Step 4: Simplify right side
11,239,954.21x = 94,359,140,168,629.09 - Step 5: Solve for x
x = 94,359,140,168,629.09/11,239,954.21 - Step 6: Final answer
x = 8,394,975.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.