Finding the Fourth Proportional to 13,021,810.06, 19,532,704.82 and 3,923,907.75
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Solution
The fourth proportional to 13,021,810.06, 19,532,704.82 and 3,923,907.75 is: 5,885,858.53
Step by Step Solution
- Step 1: Write the proportion equation
13,021,810.06 : 19,532,704.82 = 3,923,907.75 : x - Step 2: Convert to fraction form
13,021,810.06/19,532,704.82 = 3,923,907.75/x - Step 3: Cross multiply
13,021,810.06x = 19,532,704.82 × 3,923,907.75 - Step 4: Simplify right side
13,021,810.06x = 76,644,531,821,660.36 - Step 5: Solve for x
x = 76,644,531,821,660.36/13,021,810.06 - Step 6: Final answer
x = 5,885,858.53
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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.