Finding the Fourth Proportional to 30,192,640.02, 41,664,748.68 and 18,451,551.24
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Solution
The fourth proportional to 30,192,640.02, 41,664,748.68 and 18,451,551.24 is: 25,462,471.80
Step by Step Solution
- Step 1: Write the proportion equation
30,192,640.02 : 41,664,748.68 = 18,451,551.24 : x - Step 2: Convert to fraction form
30,192,640.02/41,664,748.68 = 18,451,551.24/x - Step 3: Cross multiply
30,192,640.02x = 41,664,748.68 × 18,451,551.24 - Step 4: Simplify right side
30,192,640.02x = 768,779,245,170,742.25 - Step 5: Solve for x
x = 768,779,245,170,742.25/30,192,640.02 - Step 6: Final answer
x = 25,462,471.80
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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.