Finding the Fourth Proportional to 11,191,230.72, 15,444,915.84 and 6,362,323.20
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Solution
The fourth proportional to 11,191,230.72, 15,444,915.84 and 6,362,323.20 is: 8,780,584.44
Step by Step Solution
- Step 1: Write the proportion equation
11,191,230.72 : 15,444,915.84 = 6,362,323.20 : x - Step 2: Convert to fraction form
11,191,230.72/15,444,915.84 = 6,362,323.20/x - Step 3: Cross multiply
11,191,230.72x = 15,444,915.84 × 6,362,323.20 - Step 4: Simplify right side
11,191,230.72x = 98,265,546,370,879.48 - Step 5: Solve for x
x = 98,265,546,370,879.48/11,191,230.72 - Step 6: Final answer
x = 8,780,584.44
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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.