Finding the Fourth Proportional to 16,270,431.36, 22,452,442.56 and 8,928,079.44
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Solution
The fourth proportional to 16,270,431.36, 22,452,442.56 and 8,928,079.44 is: 12,320,336.59
Step by Step Solution
- Step 1: Write the proportion equation
16,270,431.36 : 22,452,442.56 = 8,928,079.44 : x - Step 2: Convert to fraction form
16,270,431.36/22,452,442.56 = 8,928,079.44/x - Step 3: Cross multiply
16,270,431.36x = 22,452,442.56 × 8,928,079.44 - Step 4: Simplify right side
16,270,431.36x = 200,457,190,797,716.94 - Step 5: Solve for x
x = 200,457,190,797,716.94/16,270,431.36 - Step 6: Final answer
x = 12,320,336.59
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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.