Finding the Fourth Proportional to 13,190,471.02, 19,787,584.58 and 4,093,354.67
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Solution
The fourth proportional to 13,190,471.02, 19,787,584.58 and 4,093,354.67 is: 6,140,614.81
Step by Step Solution
- Step 1: Write the proportion equation
13,190,471.02 : 19,787,584.58 = 4,093,354.67 : x - Step 2: Convert to fraction form
13,190,471.02/19,787,584.58 = 4,093,354.67/x - Step 3: Cross multiply
13,190,471.02x = 19,787,584.58 × 4,093,354.67 - Step 4: Simplify right side
13,190,471.02x = 80,997,601,728,096.20 - Step 5: Solve for x
x = 80,997,601,728,096.20/13,190,471.02 - Step 6: Final answer
x = 6,140,614.81
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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.