Finding the Fourth Proportional to 14,761,107.20, 22,141,660.80 and 8,383,815.20
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Solution
The fourth proportional to 14,761,107.20, 22,141,660.80 and 8,383,815.20 is: 12,575,722.80
Step by Step Solution
- Step 1: Write the proportion equation
14,761,107.20 : 22,141,660.80 = 8,383,815.20 : x - Step 2: Convert to fraction form
14,761,107.20/22,141,660.80 = 8,383,815.20/x - Step 3: Cross multiply
14,761,107.20x = 22,141,660.80 × 8,383,815.20 - Step 4: Simplify right side
14,761,107.20x = 185,631,592,368,284.16 - Step 5: Solve for x
x = 185,631,592,368,284.16/14,761,107.20 - Step 6: Final answer
x = 12,575,722.80
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1.5x scale
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.