Finding the Fourth Proportional to 16,165,491.12, 22,337,558.88 and 11,511,195.84
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Solution
The fourth proportional to 16,165,491.12, 22,337,558.88 and 11,511,195.84 is: 15,906,229.69
Step by Step Solution
- Step 1: Write the proportion equation
16,165,491.12 : 22,337,558.88 = 11,511,195.84 : x - Step 2: Convert to fraction form
16,165,491.12/22,337,558.88 = 11,511,195.84/x - Step 3: Cross multiply
16,165,491.12x = 22,337,558.88 × 11,511,195.84 - Step 4: Simplify right side
16,165,491.12x = 257,132,014,855,211.03 - Step 5: Solve for x
x = 257,132,014,855,211.03/16,165,491.12 - Step 6: Final answer
x = 15,906,229.69
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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.