Finding the Fourth Proportional to 14,858,936.10, 22,288,404.15 and 8,481,644.10
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Solution
The fourth proportional to 14,858,936.10, 22,288,404.15 and 8,481,644.10 is: 12,722,466.15
Step by Step Solution
- Step 1: Write the proportion equation
14,858,936.10 : 22,288,404.15 = 8,481,644.10 : x - Step 2: Convert to fraction form
14,858,936.10/22,288,404.15 = 8,481,644.10/x - Step 3: Cross multiply
14,858,936.10x = 22,288,404.15 × 8,481,644.10 - Step 4: Simplify right side
14,858,936.10x = 189,042,311,557,263 - Step 5: Solve for x
x = 189,042,311,557,263/14,858,936.10 - Step 6: Final answer
x = 12,722,466.15
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Double scale
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Similar ratio
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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.