Finding the Fourth Proportional to 22,018,406.20, 33,027,609.30 and 15,940,295.80
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Solution
The fourth proportional to 22,018,406.20, 33,027,609.30 and 15,940,295.80 is: 23,910,443.70
Step by Step Solution
- Step 1: Write the proportion equation
22,018,406.20 : 33,027,609.30 = 15,940,295.80 : x - Step 2: Convert to fraction form
22,018,406.20/33,027,609.30 = 15,940,295.80/x - Step 3: Cross multiply
22,018,406.20x = 33,027,609.30 × 15,940,295.80 - Step 4: Simplify right side
22,018,406.20x = 526,469,861,808,831 - Step 5: Solve for x
x = 526,469,861,808,831/22,018,406.20 - Step 6: Final answer
x = 23,910,443.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.