Finding the Fourth Proportional to 11,122,919.70, 16,678,283.89 and 3,444,432.90
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Solution
The fourth proportional to 11,122,919.70, 16,678,283.89 and 3,444,432.90 is: 5,164,761.70
Step by Step Solution
- Step 1: Write the proportion equation
11,122,919.70 : 16,678,283.89 = 3,444,432.90 : x - Step 2: Convert to fraction form
11,122,919.70/16,678,283.89 = 3,444,432.90/x - Step 3: Cross multiply
11,122,919.70x = 16,678,283.89 × 3,444,432.90 - Step 4: Simplify right side
11,122,919.70x = 57,447,229,681,559.65 - Step 5: Solve for x
x = 57,447,229,681,559.65/11,122,919.70 - Step 6: Final answer
x = 5,164,761.70
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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.