Finding the Fourth Proportional to 38,631,769.70, 57,954,652.95 and 19,414,163.30
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Solution
The fourth proportional to 38,631,769.70, 57,954,652.95 and 19,414,163.30 is: 29,124,761.95
Step by Step Solution
- Step 1: Write the proportion equation
38,631,769.70 : 57,954,652.95 = 19,414,163.30 : x - Step 2: Convert to fraction form
38,631,769.70/57,954,652.95 = 19,414,163.30/x - Step 3: Cross multiply
38,631,769.70x = 57,954,652.95 × 19,414,163.30 - Step 4: Simplify right side
38,631,769.70x = 1,125,141,096,366,126.88 - Step 5: Solve for x
x = 1,125,141,096,366,126.88/38,631,769.70 - Step 6: Final answer
x = 29,124,761.95
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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.