Finding the Fourth Proportional to 12,327,863.80, 18,491,795.70 and 5,596,277.80
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Solution
The fourth proportional to 12,327,863.80, 18,491,795.70 and 5,596,277.80 is: 8,394,416.70
Step by Step Solution
- Step 1: Write the proportion equation
12,327,863.80 : 18,491,795.70 = 5,596,277.80 : x - Step 2: Convert to fraction form
12,327,863.80/18,491,795.70 = 5,596,277.80/x - Step 3: Cross multiply
12,327,863.80x = 18,491,795.70 × 5,596,277.80 - Step 4: Simplify right side
12,327,863.80x = 103,485,225,758,045.45 - Step 5: Solve for x
x = 103,485,225,758,045.45/12,327,863.80 - Step 6: Final answer
x = 8,394,416.70
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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.