Finding the Fourth Proportional to 18,497,756.99, 25,529,289.66 and 11,159,553.38
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Solution
The fourth proportional to 18,497,756.99, 25,529,289.66 and 11,159,553.38 is: 15,401,622.52
Step by Step Solution
- Step 1: Write the proportion equation
18,497,756.99 : 25,529,289.66 = 11,159,553.38 : x - Step 2: Convert to fraction form
18,497,756.99/25,529,289.66 = 11,159,553.38/x - Step 3: Cross multiply
18,497,756.99x = 25,529,289.66 × 11,159,553.38 - Step 4: Simplify right side
18,497,756.99x = 284,895,470,586,605.62 - Step 5: Solve for x
x = 284,895,470,586,605.62/18,497,756.99 - Step 6: Final answer
x = 15,401,622.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.