Finding the Fourth Proportional to 13,525,736.13, 20,240,711.73 and 8,410,574.79
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Solution
The fourth proportional to 13,525,736.13, 20,240,711.73 and 8,410,574.79 is: 12,586,081.69
Step by Step Solution
- Step 1: Write the proportion equation
13,525,736.13 : 20,240,711.73 = 8,410,574.79 : x - Step 2: Convert to fraction form
13,525,736.13/20,240,711.73 = 8,410,574.79/x - Step 3: Cross multiply
13,525,736.13x = 20,240,711.73 × 8,410,574.79 - Step 4: Simplify right side
13,525,736.13x = 170,236,019,807,995.28 - Step 5: Solve for x
x = 170,236,019,807,995.28/13,525,736.13 - Step 6: Final answer
x = 12,586,081.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.