Finding the Fourth Proportional to 12,819,979.62, 19,232,535.50 and 4,733,004.42
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Solution
The fourth proportional to 12,819,979.62, 19,232,535.50 and 4,733,004.42 is: 7,100,453.99
Step by Step Solution
- Step 1: Write the proportion equation
12,819,979.62 : 19,232,535.50 = 4,733,004.42 : x - Step 2: Convert to fraction form
12,819,979.62/19,232,535.50 = 4,733,004.42/x - Step 3: Cross multiply
12,819,979.62x = 19,232,535.50 × 4,733,004.42 - Step 4: Simplify right side
12,819,979.62x = 91,027,675,444,976.75 - Step 5: Solve for x
x = 91,027,675,444,976.75/12,819,979.62 - Step 6: Final answer
x = 7,100,453.99
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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.