Finding the Fourth Proportional to 16,387,580.40, 24,581,370.60 and 7,863,529.20
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Solution
The fourth proportional to 16,387,580.40, 24,581,370.60 and 7,863,529.20 is: 11,795,293.80
Step by Step Solution
- Step 1: Write the proportion equation
16,387,580.40 : 24,581,370.60 = 7,863,529.20 : x - Step 2: Convert to fraction form
16,387,580.40/24,581,370.60 = 7,863,529.20/x - Step 3: Cross multiply
16,387,580.40x = 24,581,370.60 × 7,863,529.20 - Step 4: Simplify right side
16,387,580.40x = 193,296,325,489,121.53 - Step 5: Solve for x
x = 193,296,325,489,121.53/16,387,580.40 - Step 6: Final answer
x = 11,795,293.80
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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.