Finding the Fourth Proportional to 12,193,385.63, 18,290,078.37 and 4,105,683.99
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Solution
The fourth proportional to 12,193,385.63, 18,290,078.37 and 4,105,683.99 is: 6,158,525.96
Step by Step Solution
- Step 1: Write the proportion equation
12,193,385.63 : 18,290,078.37 = 4,105,683.99 : x - Step 2: Convert to fraction form
12,193,385.63/18,290,078.37 = 4,105,683.99/x - Step 3: Cross multiply
12,193,385.63x = 18,290,078.37 × 4,105,683.99 - Step 4: Simplify right side
12,193,385.63x = 75,093,281,939,554.30 - Step 5: Solve for x
x = 75,093,281,939,554.30/12,193,385.63 - Step 6: Final answer
x = 6,158,525.96
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1.5x scale
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.