Finding the Fourth Proportional to 18,440,245.60, 27,660,368.40 and 13,961,269.60
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Solution
The fourth proportional to 18,440,245.60, 27,660,368.40 and 13,961,269.60 is: 20,941,904.40
Step by Step Solution
- Step 1: Write the proportion equation
18,440,245.60 : 27,660,368.40 = 13,961,269.60 : x - Step 2: Convert to fraction form
18,440,245.60/27,660,368.40 = 13,961,269.60/x - Step 3: Cross multiply
18,440,245.60x = 27,660,368.40 × 13,961,269.60 - Step 4: Simplify right side
18,440,245.60x = 386,173,860,467,720.62 - Step 5: Solve for x
x = 386,173,860,467,720.62/18,440,245.60 - Step 6: Final answer
x = 20,941,904.40
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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.