Finding the Fourth Proportional to 8,860,728.99, 13,291,093.49 and 2,129,142.99
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Solution
The fourth proportional to 8,860,728.99, 13,291,093.49 and 2,129,142.99 is: 3,193,714.48
Step by Step Solution
- Step 1: Write the proportion equation
8,860,728.99 : 13,291,093.49 = 2,129,142.99 : x - Step 2: Convert to fraction form
8,860,728.99/13,291,093.49 = 2,129,142.99/x - Step 3: Cross multiply
8,860,728.99x = 13,291,093.49 × 2,129,142.99 - Step 4: Simplify right side
8,860,728.99x = 28,298,638,456,566.95 - Step 5: Solve for x
x = 28,298,638,456,566.95/8,860,728.99 - Step 6: Final answer
x = 3,193,714.48
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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.