Finding the Fourth Proportional to 12,285,002.40, 18,427,503.60 and 3,764,231.70
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Solution
The fourth proportional to 12,285,002.40, 18,427,503.60 and 3,764,231.70 is: 5,646,347.55
Step by Step Solution
- Step 1: Write the proportion equation
12,285,002.40 : 18,427,503.60 = 3,764,231.70 : x - Step 2: Convert to fraction form
12,285,002.40/18,427,503.60 = 3,764,231.70/x - Step 3: Cross multiply
12,285,002.40x = 18,427,503.60 × 3,764,231.70 - Step 4: Simplify right side
12,285,002.40x = 69,365,393,202,984.13 - Step 5: Solve for x
x = 69,365,393,202,984.13/12,285,002.40 - Step 6: Final answer
x = 5,646,347.55
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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.