Finding the Fourth Proportional to 31,824,898.58, 43,910,698.97 and 18,586,568.00
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Solution
The fourth proportional to 31,824,898.58, 43,910,698.97 and 18,586,568.00 is: 25,644,989.57
Step by Step Solution
- Step 1: Write the proportion equation
31,824,898.58 : 43,910,698.97 = 18,586,568.00 : x - Step 2: Convert to fraction form
31,824,898.58/43,910,698.97 = 18,586,568.00/x - Step 3: Cross multiply
31,824,898.58x = 43,910,698.97 × 18,586,568.00 - Step 4: Simplify right side
31,824,898.58x = 816,149,192,020,948.75 - Step 5: Solve for x
x = 816,149,192,020,948.75/31,824,898.58 - Step 6: Final answer
x = 25,644,989.57
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.