Finding the Fourth Proportional to 9,968,647.76, 14,952,971.64 and 3,145,912.44
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Solution
The fourth proportional to 9,968,647.76, 14,952,971.64 and 3,145,912.44 is: 4,718,868.66
Step by Step Solution
- Step 1: Write the proportion equation
9,968,647.76 : 14,952,971.64 = 3,145,912.44 : x - Step 2: Convert to fraction form
9,968,647.76/14,952,971.64 = 3,145,912.44/x - Step 3: Cross multiply
9,968,647.76x = 14,952,971.64 × 3,145,912.44 - Step 4: Simplify right side
9,968,647.76x = 47,040,739,497,243.20 - Step 5: Solve for x
x = 47,040,739,497,243.20/9,968,647.76 - Step 6: Final answer
x = 4,718,868.66
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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.