Finding the Fourth Proportional to 18,228,049.20, 27,342,073.80 and 4,764,877.20
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Solution
The fourth proportional to 18,228,049.20, 27,342,073.80 and 4,764,877.20 is: 7,147,315.80
Step by Step Solution
- Step 1: Write the proportion equation
18,228,049.20 : 27,342,073.80 = 4,764,877.20 : x - Step 2: Convert to fraction form
18,228,049.20/27,342,073.80 = 4,764,877.20/x - Step 3: Cross multiply
18,228,049.20x = 27,342,073.80 × 4,764,877.20 - Step 4: Simplify right side
18,228,049.20x = 130,281,624,050,337.38 - Step 5: Solve for x
x = 130,281,624,050,337.38/18,228,049.20 - Step 6: Final answer
x = 7,147,315.80
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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.