Finding the Fourth Proportional to 16,180,238.16, 22,328,576.64 and 8,838,067.68
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Solution
The fourth proportional to 16,180,238.16, 22,328,576.64 and 8,838,067.68 is: 12,196,450.36
Step by Step Solution
- Step 1: Write the proportion equation
16,180,238.16 : 22,328,576.64 = 8,838,067.68 : x - Step 2: Convert to fraction form
16,180,238.16/22,328,576.64 = 8,838,067.68/x - Step 3: Cross multiply
16,180,238.16x = 22,328,576.64 × 8,838,067.68 - Step 4: Simplify right side
16,180,238.16x = 197,341,471,542,387 - Step 5: Solve for x
x = 197,341,471,542,387/16,180,238.16 - Step 6: Final answer
x = 12,196,450.36
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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.