Finding the Fourth Proportional to 11,321,581.92, 16,968,197.88 and 8,915,927.28
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Solution
The fourth proportional to 11,321,581.92, 16,968,197.88 and 8,915,927.28 is: 13,362,727.88
Step by Step Solution
- Step 1: Write the proportion equation
11,321,581.92 : 16,968,197.88 = 8,915,927.28 : x - Step 2: Convert to fraction form
11,321,581.92/16,968,197.88 = 8,915,927.28/x - Step 3: Cross multiply
11,321,581.92x = 16,968,197.88 × 8,915,927.28 - Step 4: Simplify right side
11,321,581.92x = 151,287,218,370,730.16 - Step 5: Solve for x
x = 151,287,218,370,730.16/11,321,581.92 - Step 6: Final answer
x = 13,362,727.88
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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.