Finding the Fourth Proportional to 12,383,624.70, 18,575,437.05 and 3,285,704.70
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Solution
The fourth proportional to 12,383,624.70, 18,575,437.05 and 3,285,704.70 is: 4,928,557.05
Step by Step Solution
- Step 1: Write the proportion equation
12,383,624.70 : 18,575,437.05 = 3,285,704.70 : x - Step 2: Convert to fraction form
12,383,624.70/18,575,437.05 = 3,285,704.70/x - Step 3: Cross multiply
12,383,624.70x = 18,575,437.05 × 3,285,704.70 - Step 4: Simplify right side
12,383,624.70x = 61,033,400,819,739.14 - Step 5: Solve for x
x = 61,033,400,819,739.14/12,383,624.70 - Step 6: Final answer
x = 4,928,557.05
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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.