Finding the Fourth Proportional to 18,170,395.82, 27,252,357.57 and 7,239,669.36
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Solution
The fourth proportional to 18,170,395.82, 27,252,357.57 and 7,239,669.36 is: 10,858,214.64
Step by Step Solution
- Step 1: Write the proportion equation
18,170,395.82 : 27,252,357.57 = 7,239,669.36 : x - Step 2: Convert to fraction form
18,170,395.82/27,252,357.57 = 7,239,669.36/x - Step 3: Cross multiply
18,170,395.82x = 27,252,357.57 × 7,239,669.36 - Step 4: Simplify right side
18,170,395.82x = 197,298,058,012,245.47 - Step 5: Solve for x
x = 197,298,058,012,245.47/18,170,395.82 - Step 6: Final answer
x = 10,858,214.64
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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.