Finding the Fourth Proportional to 43,817,324.20, 65,731,964.70 and 18,252,354.90
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Solution
The fourth proportional to 43,817,324.20, 65,731,964.70 and 18,252,354.90 is: 27,381,022.69
Step by Step Solution
- Step 1: Write the proportion equation
43,817,324.20 : 65,731,964.70 = 18,252,354.90 : x - Step 2: Convert to fraction form
43,817,324.20/65,731,964.70 = 18,252,354.90/x - Step 3: Cross multiply
43,817,324.20x = 65,731,964.70 × 18,252,354.90 - Step 4: Simplify right side
43,817,324.20x = 1,199,763,147,978,672 - Step 5: Solve for x
x = 1,199,763,147,978,672/43,817,324.20 - Step 6: Final answer
x = 27,381,022.69
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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.