Finding the Fourth Proportional to 18,168,672.60, 27,228,125.70 and 14,809,440.60
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Solution
The fourth proportional to 18,168,672.60, 27,228,125.70 and 14,809,440.60 is: 22,193,878.39
Step by Step Solution
- Step 1: Write the proportion equation
18,168,672.60 : 27,228,125.70 = 14,809,440.60 : x - Step 2: Convert to fraction form
18,168,672.60/27,228,125.70 = 14,809,440.60/x - Step 3: Cross multiply
18,168,672.60x = 27,228,125.70 × 14,809,440.60 - Step 4: Simplify right side
18,168,672.60x = 403,233,310,203,483.38 - Step 5: Solve for x
x = 403,233,310,203,483.38/18,168,672.60 - Step 6: Final answer
x = 22,193,878.39
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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.