Finding the Fourth Proportional to 17,266,722.84, 25,884,843.21 and 7,040,137.14
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Solution
The fourth proportional to 17,266,722.84, 25,884,843.21 and 7,040,137.14 is: 10,553,991.50
Step by Step Solution
- Step 1: Write the proportion equation
17,266,722.84 : 25,884,843.21 = 7,040,137.14 : x - Step 2: Convert to fraction form
17,266,722.84/25,884,843.21 = 7,040,137.14/x - Step 3: Cross multiply
17,266,722.84x = 25,884,843.21 × 7,040,137.14 - Step 4: Simplify right side
17,266,722.84x = 182,232,846,045,797.81 - Step 5: Solve for x
x = 182,232,846,045,797.81/17,266,722.84 - Step 6: Final answer
x = 10,553,991.50
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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.