Finding the Fourth Proportional to 12,738,297.67, 19,106,912.77 and 4,102,206.95
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Solution
The fourth proportional to 12,738,297.67, 19,106,912.77 and 4,102,206.95 is: 6,153,138.54
Step by Step Solution
- Step 1: Write the proportion equation
12,738,297.67 : 19,106,912.77 = 4,102,206.95 : x - Step 2: Convert to fraction form
12,738,297.67/19,106,912.77 = 4,102,206.95/x - Step 3: Cross multiply
12,738,297.67x = 19,106,912.77 × 4,102,206.95 - Step 4: Simplify right side
12,738,297.67x = 78,380,510,358,137.75 - Step 5: Solve for x
x = 78,380,510,358,137.75/12,738,297.67 - Step 6: Final answer
x = 6,153,138.54
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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.