Finding the Fourth Proportional to 13,029,928.99, 17,982,896.71 and 7,523,294.60
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Solution
The fourth proportional to 13,029,928.99, 17,982,896.71 and 7,523,294.60 is: 10,383,067.31
Step by Step Solution
- Step 1: Write the proportion equation
13,029,928.99 : 17,982,896.71 = 7,523,294.60 : x - Step 2: Convert to fraction form
13,029,928.99/17,982,896.71 = 7,523,294.60/x - Step 3: Cross multiply
13,029,928.99x = 17,982,896.71 × 7,523,294.60 - Step 4: Simplify right side
13,029,928.99x = 135,290,629,710,700.77 - Step 5: Solve for x
x = 135,290,629,710,700.77/13,029,928.99 - Step 6: Final answer
x = 10,383,067.31
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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.