Finding the Fourth Proportional to 13,208,793.90, 19,794,528.45 and 8,145,062.70
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Solution
The fourth proportional to 13,208,793.90, 19,794,528.45 and 8,145,062.70 is: 12,206,086.08
Step by Step Solution
- Step 1: Write the proportion equation
13,208,793.90 : 19,794,528.45 = 8,145,062.70 : x - Step 2: Convert to fraction form
13,208,793.90/19,794,528.45 = 8,145,062.70/x - Step 3: Cross multiply
13,208,793.90x = 19,794,528.45 × 8,145,062.70 - Step 4: Simplify right side
13,208,793.90x = 161,227,675,342,183.81 - Step 5: Solve for x
x = 161,227,675,342,183.81/13,208,793.90 - Step 6: Final answer
x = 12,206,086.08
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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.