Finding the Fourth Proportional to 13,239,809.73, 19,859,685.40 and 3,524,424.91
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Solution
The fourth proportional to 13,239,809.73, 19,859,685.40 and 3,524,424.91 is: 5,286,629.59
Step by Step Solution
- Step 1: Write the proportion equation
13,239,809.73 : 19,859,685.40 = 3,524,424.91 : x - Step 2: Convert to fraction form
13,239,809.73/19,859,685.40 = 3,524,424.91/x - Step 3: Cross multiply
13,239,809.73x = 19,859,685.40 × 3,524,424.91 - Step 4: Simplify right side
13,239,809.73x = 69,993,969,928,523.31 - Step 5: Solve for x
x = 69,993,969,928,523.31/13,239,809.73 - Step 6: Final answer
x = 5,286,629.59
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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.