Finding the Fourth Proportional to 14,489,107.20, 21,733,660.80 and 13,394,246.40
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Solution
The fourth proportional to 14,489,107.20, 21,733,660.80 and 13,394,246.40 is: 20,091,369.60
Step by Step Solution
- Step 1: Write the proportion equation
14,489,107.20 : 21,733,660.80 = 13,394,246.40 : x - Step 2: Convert to fraction form
14,489,107.20/21,733,660.80 = 13,394,246.40/x - Step 3: Cross multiply
14,489,107.20x = 21,733,660.80 × 13,394,246.40 - Step 4: Simplify right side
14,489,107.20x = 291,106,007,929,221.12 - Step 5: Solve for x
x = 291,106,007,929,221.12/14,489,107.20 - Step 6: Final answer
x = 20,091,369.60
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1.5x scale
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.