Finding the Fourth Proportional to 44,489,416.60, 66,734,124.90 and 18,931,259.80
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Solution
The fourth proportional to 44,489,416.60, 66,734,124.90 and 18,931,259.80 is: 28,396,889.70
Step by Step Solution
- Step 1: Write the proportion equation
44,489,416.60 : 66,734,124.90 = 18,931,259.80 : x - Step 2: Convert to fraction form
44,489,416.60/66,734,124.90 = 18,931,259.80/x - Step 3: Cross multiply
44,489,416.60x = 66,734,124.90 × 18,931,259.80 - Step 4: Simplify right side
44,489,416.60x = 1,263,361,056,007,549 - Step 5: Solve for x
x = 1,263,361,056,007,549/44,489,416.60 - Step 6: Final answer
x = 28,396,889.70
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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.