Finding the Fourth Proportional to 8,109,302.64, 12,162,156.84 and 2,428,779.12
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Solution
The fourth proportional to 8,109,302.64, 12,162,156.84 and 2,428,779.12 is: 3,642,630.43
Step by Step Solution
- Step 1: Write the proportion equation
8,109,302.64 : 12,162,156.84 = 2,428,779.12 : x - Step 2: Convert to fraction form
8,109,302.64/12,162,156.84 = 2,428,779.12/x - Step 3: Cross multiply
8,109,302.64x = 12,162,156.84 × 2,428,779.12 - Step 4: Simplify right side
8,109,302.64x = 29,539,192,587,157.18 - Step 5: Solve for x
x = 29,539,192,587,157.18/8,109,302.64 - Step 6: Final answer
x = 3,642,630.43
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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.