Finding the Fourth Proportional to 44,290,748.40, 66,436,122.60 and 18,723,260.40
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Solution
The fourth proportional to 44,290,748.40, 66,436,122.60 and 18,723,260.40 is: 28,084,890.60
Step by Step Solution
- Step 1: Write the proportion equation
44,290,748.40 : 66,436,122.60 = 18,723,260.40 : x - Step 2: Convert to fraction form
44,290,748.40/66,436,122.60 = 18,723,260.40/x - Step 3: Cross multiply
44,290,748.40x = 66,436,122.60 × 18,723,260.40 - Step 4: Simplify right side
44,290,748.40x = 1,243,900,823,406,125 - Step 5: Solve for x
x = 1,243,900,823,406,125/44,290,748.40 - Step 6: Final answer
x = 28,084,890.60
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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.