Finding the Fourth Proportional to 13,188,380.04, 18,206,197.92 and 8,840,306.88
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Solution
The fourth proportional to 13,188,380.04, 18,206,197.92 and 8,840,306.88 is: 12,203,801.85
Step by Step Solution
- Step 1: Write the proportion equation
13,188,380.04 : 18,206,197.92 = 8,840,306.88 : x - Step 2: Convert to fraction form
13,188,380.04/18,206,197.92 = 8,840,306.88/x - Step 3: Cross multiply
13,188,380.04x = 18,206,197.92 × 8,840,306.88 - Step 4: Simplify right side
13,188,380.04x = 160,948,376,730,817.72 - Step 5: Solve for x
x = 160,948,376,730,817.72/13,188,380.04 - Step 6: Final answer
x = 12,203,801.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.