Finding the Fourth Proportional to 8,860,728.74, 13,291,093.11 and 2,129,142.74
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Solution
The fourth proportional to 8,860,728.74, 13,291,093.11 and 2,129,142.74 is: 3,193,714.10
Step by Step Solution
- Step 1: Write the proportion equation
8,860,728.74 : 13,291,093.11 = 2,129,142.74 : x - Step 2: Convert to fraction form
8,860,728.74/13,291,093.11 = 2,129,142.74/x - Step 3: Cross multiply
8,860,728.74x = 13,291,093.11 × 2,129,142.74 - Step 4: Simplify right side
8,860,728.74x = 28,298,634,335,365.05 - Step 5: Solve for x
x = 28,298,634,335,365.05/8,860,728.74 - Step 6: Final answer
x = 3,193,714.10
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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.