Finding the Fourth Proportional to 13,860,342.96, 20,793,481.44 and 4,145,718
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Solution
The fourth proportional to 13,860,342.96, 20,793,481.44 and 4,145,718 is: 6,219,464.45
Step by Step Solution
- Step 1: Write the proportion equation
13,860,342.96 : 20,793,481.44 = 4,145,718 : x - Step 2: Convert to fraction form
13,860,342.96/20,793,481.44 = 4,145,718/x - Step 3: Cross multiply
13,860,342.96x = 20,793,481.44 × 4,145,718 - Step 4: Simplify right side
13,860,342.96x = 86,203,910,288,473.92 - Step 5: Solve for x
x = 86,203,910,288,473.92/13,860,342.96 - Step 6: Final answer
x = 6,219,464.45
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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.