Finding the Fourth Proportional to 8,405,556.35, 12,593,129.18 and 3,860,407.20
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Solution
The fourth proportional to 8,405,556.35, 12,593,129.18 and 3,860,407.20 is: 5,783,627.46
Step by Step Solution
- Step 1: Write the proportion equation
8,405,556.35 : 12,593,129.18 = 3,860,407.20 : x - Step 2: Convert to fraction form
8,405,556.35/12,593,129.18 = 3,860,407.20/x - Step 3: Cross multiply
8,405,556.35x = 12,593,129.18 × 3,860,407.20 - Step 4: Simplify right side
8,405,556.35x = 48,614,606,535,802.73 - Step 5: Solve for x
x = 48,614,606,535,802.73/8,405,556.35 - Step 6: Final answer
x = 5,783,627.46
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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.