Finding the Fourth Proportional to 20,711,161.97, 31,066,898.63 and 9,193,532.84
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Solution
The fourth proportional to 20,711,161.97, 31,066,898.63 and 9,193,532.84 is: 13,790,368.36
Step by Step Solution
- Step 1: Write the proportion equation
20,711,161.97 : 31,066,898.63 = 9,193,532.84 : x - Step 2: Convert to fraction form
20,711,161.97/31,066,898.63 = 9,193,532.84/x - Step 3: Cross multiply
20,711,161.97x = 31,066,898.63 × 9,193,532.84 - Step 4: Simplify right side
20,711,161.97x = 285,614,552,823,555.56 - Step 5: Solve for x
x = 285,614,552,823,555.56/20,711,161.97 - Step 6: Final answer
x = 13,790,368.36
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.