Finding the Fourth Proportional to 21,835,197.12, 32,720,447.88 and 8,865,576.36
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Solution
The fourth proportional to 21,835,197.12, 32,720,447.88 and 8,865,576.36 is: 13,285,230.61
Step by Step Solution
- Step 1: Write the proportion equation
21,835,197.12 : 32,720,447.88 = 8,865,576.36 : x - Step 2: Convert to fraction form
21,835,197.12/32,720,447.88 = 8,865,576.36/x - Step 3: Cross multiply
21,835,197.12x = 32,720,447.88 × 8,865,576.36 - Step 4: Simplify right side
21,835,197.12x = 290,085,629,213,540.06 - Step 5: Solve for x
x = 290,085,629,213,540.06/21,835,197.12 - Step 6: Final answer
x = 13,285,230.61
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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.