Finding the Fourth Proportional to 13,159,837.20, 19,716,136.20 and 11,270,269.20
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Solution
The fourth proportional to 13,159,837.20, 19,716,136.20 and 11,270,269.20 is: 16,885,175.64
Step by Step Solution
- Step 1: Write the proportion equation
13,159,837.20 : 19,716,136.20 = 11,270,269.20 : x - Step 2: Convert to fraction form
13,159,837.20/19,716,136.20 = 11,270,269.20/x - Step 3: Cross multiply
13,159,837.20x = 19,716,136.20 × 11,270,269.20 - Step 4: Simplify right side
13,159,837.20x = 222,206,162,557,865.03 - Step 5: Solve for x
x = 222,206,162,557,865.03/13,159,837.20 - Step 6: Final answer
x = 16,885,175.64
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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.