Finding the Fourth Proportional to 7,880,905.24, 11,821,357.86 and 6,086,406.14
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Solution
The fourth proportional to 7,880,905.24, 11,821,357.86 and 6,086,406.14 is: 9,129,609.21
Step by Step Solution
- Step 1: Write the proportion equation
7,880,905.24 : 11,821,357.86 = 6,086,406.14 : x - Step 2: Convert to fraction form
7,880,905.24/11,821,357.86 = 6,086,406.14/x - Step 3: Cross multiply
7,880,905.24x = 11,821,357.86 × 6,086,406.14 - Step 4: Simplify right side
7,880,905.24x = 71,949,585,062,241.25 - Step 5: Solve for x
x = 71,949,585,062,241.25/7,880,905.24 - Step 6: Final answer
x = 9,129,609.21
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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.