Finding the Fourth Proportional to 14,962,536.12, 20,647,884.78 and 8,436,107.64
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Solution
The fourth proportional to 14,962,536.12, 20,647,884.78 and 8,436,107.64 is: 11,641,594.52
Step by Step Solution
- Step 1: Write the proportion equation
14,962,536.12 : 20,647,884.78 = 8,436,107.64 : x - Step 2: Convert to fraction form
14,962,536.12/20,647,884.78 = 8,436,107.64/x - Step 3: Cross multiply
14,962,536.12x = 20,647,884.78 × 8,436,107.64 - Step 4: Simplify right side
14,962,536.12x = 174,187,778,542,397.75 - Step 5: Solve for x
x = 174,187,778,542,397.75/14,962,536.12 - Step 6: Final answer
x = 11,641,594.52
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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.