Finding the Fourth Proportional to 11,170,820.25, 15,415,936.11 and 6,209,727.39
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Solution
The fourth proportional to 11,170,820.25, 15,415,936.11 and 6,209,727.39 is: 8,569,537.29
Step by Step Solution
- Step 1: Write the proportion equation
11,170,820.25 : 15,415,936.11 = 6,209,727.39 : x - Step 2: Convert to fraction form
11,170,820.25/15,415,936.11 = 6,209,727.39/x - Step 3: Cross multiply
11,170,820.25x = 15,415,936.11 × 6,209,727.39 - Step 4: Simplify right side
11,170,820.25x = 95,728,760,704,757.05 - Step 5: Solve for x
x = 95,728,760,704,757.05/11,170,820.25 - Step 6: Final answer
x = 8,569,537.29
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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.