Finding the Fourth Proportional to 19,751,477.62, 29,621,067.27 and 6,968,987.54
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Solution
The fourth proportional to 19,751,477.62, 29,621,067.27 and 6,968,987.54 is: 10,451,311.68
Step by Step Solution
- Step 1: Write the proportion equation
19,751,477.62 : 29,621,067.27 = 6,968,987.54 : x - Step 2: Convert to fraction form
19,751,477.62/29,621,067.27 = 6,968,987.54/x - Step 3: Cross multiply
19,751,477.62x = 29,621,067.27 × 6,968,987.54 - Step 4: Simplify right side
19,751,477.62x = 206,428,848,726,131.81 - Step 5: Solve for x
x = 206,428,848,726,131.81/19,751,477.62 - Step 6: Final answer
x = 10,451,311.68
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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.