Finding the Fourth Proportional to 18,046,161.87, 24,903,709.05 and 9,786,221.68
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Solution
The fourth proportional to 18,046,161.87, 24,903,709.05 and 9,786,221.68 is: 13,504,988.99
Step by Step Solution
- Step 1: Write the proportion equation
18,046,161.87 : 24,903,709.05 = 9,786,221.68 : x - Step 2: Convert to fraction form
18,046,161.87/24,903,709.05 = 9,786,221.68/x - Step 3: Cross multiply
18,046,161.87x = 24,903,709.05 × 9,786,221.68 - Step 4: Simplify right side
18,046,161.87x = 243,713,217,313,566.50 - Step 5: Solve for x
x = 243,713,217,313,566.50/18,046,161.87 - Step 6: Final answer
x = 13,504,988.99
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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.