Finding the Fourth Proportional to 20,049,920.56, 30,081,357.81 and 9,274,289.99
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Solution
The fourth proportional to 20,049,920.56, 30,081,357.81 and 9,274,289.99 is: 13,914,430.97
Step by Step Solution
- Step 1: Write the proportion equation
20,049,920.56 : 30,081,357.81 = 9,274,289.99 : x - Step 2: Convert to fraction form
20,049,920.56/30,081,357.81 = 9,274,289.99/x - Step 3: Cross multiply
20,049,920.56x = 30,081,357.81 × 9,274,289.99 - Step 4: Simplify right side
20,049,920.56x = 278,983,235,472,484.50 - Step 5: Solve for x
x = 278,983,235,472,484.50/20,049,920.56 - Step 6: Final answer
x = 13,914,430.97
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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.