Finding the Fourth Proportional to 12,132,829.12, 18,199,191.84 and 4,942,759.36
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Solution
The fourth proportional to 12,132,829.12, 18,199,191.84 and 4,942,759.36 is: 7,414,117.92
Step by Step Solution
- Step 1: Write the proportion equation
12,132,829.12 : 18,199,191.84 = 4,942,759.36 : x - Step 2: Convert to fraction form
12,132,829.12/18,199,191.84 = 4,942,759.36/x - Step 3: Cross multiply
12,132,829.12x = 18,199,191.84 × 4,942,759.36 - Step 4: Simplify right side
12,132,829.12x = 89,954,225,811,595.62 - Step 5: Solve for x
x = 89,954,225,811,595.62/12,132,829.12 - Step 6: Final answer
x = 7,414,117.92
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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.