Finding the Fourth Proportional to 11,397,346.56, 15,728,181.48 and 6,240,708.36
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Solution
The fourth proportional to 11,397,346.56, 15,728,181.48 and 6,240,708.36 is: 8,612,091.69
Step by Step Solution
- Step 1: Write the proportion equation
11,397,346.56 : 15,728,181.48 = 6,240,708.36 : x - Step 2: Convert to fraction form
11,397,346.56/15,728,181.48 = 6,240,708.36/x - Step 3: Cross multiply
11,397,346.56x = 15,728,181.48 × 6,240,708.36 - Step 4: Simplify right side
11,397,346.56x = 98,154,993,649,833.19 - Step 5: Solve for x
x = 98,154,993,649,833.19/11,397,346.56 - Step 6: Final answer
x = 8,612,091.69
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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.