Finding the Fourth Proportional to 12,165,430.08, 18,252,198.72 and 4,079,205.12
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Solution
The fourth proportional to 12,165,430.08, 18,252,198.72 and 4,079,205.12 is: 6,120,166.90
Step by Step Solution
- Step 1: Write the proportion equation
12,165,430.08 : 18,252,198.72 = 4,079,205.12 : x - Step 2: Convert to fraction form
12,165,430.08/18,252,198.72 = 4,079,205.12/x - Step 3: Cross multiply
12,165,430.08x = 18,252,198.72 × 4,079,205.12 - Step 4: Simplify right side
12,165,430.08x = 74,454,462,469,881.44 - Step 5: Solve for x
x = 74,454,462,469,881.44/12,165,430.08 - Step 6: Final answer
x = 6,120,166.90
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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.