Finding the Fourth Proportional to 10,415,932.70, 15,618,190.84 and 3,225,470.36
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Solution
The fourth proportional to 10,415,932.70, 15,618,190.84 and 3,225,470.36 is: 4,836,437.90
Step by Step Solution
- Step 1: Write the proportion equation
10,415,932.70 : 15,618,190.84 = 3,225,470.36 : x - Step 2: Convert to fraction form
10,415,932.70/15,618,190.84 = 3,225,470.36/x - Step 3: Cross multiply
10,415,932.70x = 15,618,190.84 × 3,225,470.36 - Step 4: Simplify right side
10,415,932.70x = 50,376,011,631,243.50 - Step 5: Solve for x
x = 50,376,011,631,243.50/10,415,932.70 - Step 6: Final answer
x = 4,836,437.90
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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.