Finding the Fourth Proportional to 8,129,143.96, 12,193,720.04 and 2,449,368.27
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Solution
The fourth proportional to 8,129,143.96, 12,193,720.04 and 2,449,368.27 is: 3,674,053.64
Step by Step Solution
- Step 1: Write the proportion equation
8,129,143.96 : 12,193,720.04 = 2,449,368.27 : x - Step 2: Convert to fraction form
8,129,143.96/12,193,720.04 = 2,449,368.27/x - Step 3: Cross multiply
8,129,143.96x = 12,193,720.04 × 2,449,368.27 - Step 4: Simplify right side
8,129,143.96x = 29,866,910,951,584.86 - Step 5: Solve for x
x = 29,866,910,951,584.86/8,129,143.96 - Step 6: Final answer
x = 3,674,053.64
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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.