Finding the Fourth Proportional to 28,969,963.44, 43,448,203.67 and 10,782,723.81
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Solution
The fourth proportional to 28,969,963.44, 43,448,203.67 and 10,782,723.81 is: 16,171,576.52
Step by Step Solution
- Step 1: Write the proportion equation
28,969,963.44 : 43,448,203.67 = 10,782,723.81 : x - Step 2: Convert to fraction form
28,969,963.44/43,448,203.67 = 10,782,723.81/x - Step 3: Cross multiply
28,969,963.44x = 43,448,203.67 × 10,782,723.81 - Step 4: Simplify right side
28,969,963.44x = 468,489,980,383,908.38 - Step 5: Solve for x
x = 468,489,980,383,908.38/28,969,963.44 - Step 6: Final answer
x = 16,171,576.52
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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.