Finding the Fourth Proportional to 18,168,621.60, 27,228,049.20 and 14,809,389.60
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Solution
The fourth proportional to 18,168,621.60, 27,228,049.20 and 14,809,389.60 is: 22,193,801.90
Step by Step Solution
- Step 1: Write the proportion equation
18,168,621.60 : 27,228,049.20 = 14,809,389.60 : x - Step 2: Convert to fraction form
18,168,621.60/27,228,049.20 = 14,809,389.60/x - Step 3: Cross multiply
18,168,621.60x = 27,228,049.20 × 14,809,389.60 - Step 4: Simplify right side
18,168,621.60x = 403,230,788,650,768.31 - Step 5: Solve for x
x = 403,230,788,650,768.31/18,168,621.60 - Step 6: Final answer
x = 22,193,801.90
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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.