Finding the Fourth Proportional to 16,197,421.24, 22,352,439.60 and 8,855,252.43
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Solution
The fourth proportional to 16,197,421.24, 22,352,439.60 and 8,855,252.43 is: 12,220,247.42
Step by Step Solution
- Step 1: Write the proportion equation
16,197,421.24 : 22,352,439.60 = 8,855,252.43 : x - Step 2: Convert to fraction form
16,197,421.24/22,352,439.60 = 8,855,252.43/x - Step 3: Cross multiply
16,197,421.24x = 22,352,439.60 × 8,855,252.43 - Step 4: Simplify right side
16,197,421.24x = 197,936,495,170,514.03 - Step 5: Solve for x
x = 197,936,495,170,514.03/16,197,421.24 - Step 6: Final answer
x = 12,220,247.42
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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.