Finding the Fourth Proportional to 16,388,015.40, 24,582,023.10 and 11,286,181.80
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Solution
The fourth proportional to 16,388,015.40, 24,582,023.10 and 11,286,181.80 is: 16,929,272.70
Step by Step Solution
- Step 1: Write the proportion equation
16,388,015.40 : 24,582,023.10 = 11,286,181.80 : x - Step 2: Convert to fraction form
16,388,015.40/24,582,023.10 = 11,286,181.80/x - Step 3: Cross multiply
16,388,015.40x = 24,582,023.10 × 11,286,181.80 - Step 4: Simplify right side
16,388,015.40x = 277,437,181,718,399.62 - Step 5: Solve for x
x = 277,437,181,718,399.62/16,388,015.40 - Step 6: Final answer
x = 16,929,272.70
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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.