Finding the Fourth Proportional to 38,528,141.44, 57,795,357.12 and 19,349,034.88
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Solution
The fourth proportional to 38,528,141.44, 57,795,357.12 and 19,349,034.88 is: 29,025,131.74
Step by Step Solution
- Step 1: Write the proportion equation
38,528,141.44 : 57,795,357.12 = 19,349,034.88 : x - Step 2: Convert to fraction form
38,528,141.44/57,795,357.12 = 19,349,034.88/x - Step 3: Cross multiply
38,528,141.44x = 57,795,357.12 × 19,349,034.88 - Step 4: Simplify right side
38,528,141.44x = 1,118,284,380,816,936.25 - Step 5: Solve for x
x = 1,118,284,380,816,936.25/38,528,141.44 - Step 6: Final answer
x = 29,025,131.74
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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.