Finding the Fourth Proportional to 12,936,880.96, 19,405,240.80 and 3,352,235.20
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Solution
The fourth proportional to 12,936,880.96, 19,405,240.80 and 3,352,235.20 is: 5,028,331.90
Step by Step Solution
- Step 1: Write the proportion equation
12,936,880.96 : 19,405,240.80 = 3,352,235.20 : x - Step 2: Convert to fraction form
12,936,880.96/19,405,240.80 = 3,352,235.20/x - Step 3: Cross multiply
12,936,880.96x = 19,405,240.80 × 3,352,235.20 - Step 4: Simplify right side
12,936,880.96x = 65,050,931,274,236.16 - Step 5: Solve for x
x = 65,050,931,274,236.16/12,936,880.96 - Step 6: Final answer
x = 5,028,331.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.