Finding the Fourth Proportional to 38,042,801.99, 57,073,497.80 and 12,135,107.81
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Solution
The fourth proportional to 38,042,801.99, 57,073,497.80 and 12,135,107.81 is: 18,205,626.63
Step by Step Solution
- Step 1: Write the proportion equation
38,042,801.99 : 57,073,497.80 = 12,135,107.81 : x - Step 2: Convert to fraction form
38,042,801.99/57,073,497.80 = 12,135,107.81/x - Step 3: Cross multiply
38,042,801.99x = 57,073,497.80 × 12,135,107.81 - Step 4: Simplify right side
38,042,801.99x = 692,593,048,896,797.75 - Step 5: Solve for x
x = 692,593,048,896,797.75/38,042,801.99 - Step 6: Final answer
x = 18,205,626.63
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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.