Finding the Fourth Proportional to 18,418,135.32, 27,646,365.21 and 13,565,920.68
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Solution
The fourth proportional to 18,418,135.32, 27,646,365.21 and 13,565,920.68 is: 20,362,995.01
Step by Step Solution
- Step 1: Write the proportion equation
18,418,135.32 : 27,646,365.21 = 13,565,920.68 : x - Step 2: Convert to fraction form
18,418,135.32/27,646,365.21 = 13,565,920.68/x - Step 3: Cross multiply
18,418,135.32x = 27,646,365.21 × 13,565,920.68 - Step 4: Simplify right side
18,418,135.32x = 375,048,397,529,171.56 - Step 5: Solve for x
x = 375,048,397,529,171.56/18,418,135.32 - Step 6: Final answer
x = 20,362,995.01
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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.