Finding the Fourth Proportional to 13,510,299.33, 18,644,185.36 and 7,315,344.20
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Solution
The fourth proportional to 13,510,299.33, 18,644,185.36 and 7,315,344.20 is: 10,095,159.99
Step by Step Solution
- Step 1: Write the proportion equation
13,510,299.33 : 18,644,185.36 = 7,315,344.20 : x - Step 2: Convert to fraction form
13,510,299.33/18,644,185.36 = 7,315,344.20/x - Step 3: Cross multiply
13,510,299.33x = 18,644,185.36 × 7,315,344.20 - Step 4: Simplify right side
13,510,299.33x = 136,388,633,292,755.53 - Step 5: Solve for x
x = 136,388,633,292,755.53/13,510,299.33 - Step 6: Final answer
x = 10,095,159.99
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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.