Finding the Fourth Proportional to 16,231,249.92, 22,399,153.92 and 8,788,995.84
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Solution
The fourth proportional to 16,231,249.92, 22,399,153.92 and 8,788,995.84 is: 12,128,829.98
Step by Step Solution
- Step 1: Write the proportion equation
16,231,249.92 : 22,399,153.92 = 8,788,995.84 : x - Step 2: Convert to fraction form
16,231,249.92/22,399,153.92 = 8,788,995.84/x - Step 3: Cross multiply
16,231,249.92x = 22,399,153.92 × 8,788,995.84 - Step 4: Simplify right side
16,231,249.92x = 196,866,070,622,399.72 - Step 5: Solve for x
x = 196,866,070,622,399.72/16,231,249.92 - Step 6: Final answer
x = 12,128,829.98
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1.5x scale
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.