Finding the Fourth Proportional to 25,281,311.18, 34,887,961.05 and 13,678,620.08
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Solution
The fourth proportional to 25,281,311.18, 34,887,961.05 and 13,678,620.08 is: 18,876,361.32
Step by Step Solution
- Step 1: Write the proportion equation
25,281,311.18 : 34,887,961.05 = 13,678,620.08 : x - Step 2: Convert to fraction form
25,281,311.18/34,887,961.05 = 13,678,620.08/x - Step 3: Cross multiply
25,281,311.18x = 34,887,961.05 × 13,678,620.08 - Step 4: Simplify right side
25,281,311.18x = 477,219,164,568,787.88 - Step 5: Solve for x
x = 477,219,164,568,787.88/25,281,311.18 - Step 6: Final answer
x = 18,876,361.32
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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.