Finding the Fourth Proportional to 14,302,115.70, 21,453,173.55 and 14,302,115.70
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Solution
The fourth proportional to 14,302,115.70, 21,453,173.55 and 14,302,115.70 is: 21,453,173.55
Step by Step Solution
- Step 1: Write the proportion equation
14,302,115.70 : 21,453,173.55 = 14,302,115.70 : x - Step 2: Convert to fraction form
14,302,115.70/21,453,173.55 = 14,302,115.70/x - Step 3: Cross multiply
14,302,115.70x = 21,453,173.55 × 14,302,115.70 - Step 4: Simplify right side
14,302,115.70x = 306,825,770,244,279.75 - Step 5: Solve for x
x = 306,825,770,244,279.75/14,302,115.70 - Step 6: Final answer
x = 21,453,173.55
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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.