Finding the Fourth Proportional to 44,486,013.60, 66,753,903.60 and 18,922,672.80
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Solution
The fourth proportional to 44,486,013.60, 66,753,903.60 and 18,922,672.80 is: 28,394,593.58
Step by Step Solution
- Step 1: Write the proportion equation
44,486,013.60 : 66,753,903.60 = 18,922,672.80 : x - Step 2: Convert to fraction form
44,486,013.60/66,753,903.60 = 18,922,672.80/x - Step 3: Cross multiply
44,486,013.60x = 66,753,903.60 × 18,922,672.80 - Step 4: Simplify right side
44,486,013.60x = 1,263,162,275,945,542.25 - Step 5: Solve for x
x = 1,263,162,275,945,542.25/44,486,013.60 - Step 6: Final answer
x = 28,394,593.58
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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.