Finding the Fourth Proportional to 5,533,836.14, 8,245,742.90 and 4,930,158.80
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Solution
The fourth proportional to 5,533,836.14, 8,245,742.90 and 4,930,158.80 is: 7,346,227.99
Step by Step Solution
- Step 1: Write the proportion equation
5,533,836.14 : 8,245,742.90 = 4,930,158.80 : x - Step 2: Convert to fraction form
5,533,836.14/8,245,742.90 = 4,930,158.80/x - Step 3: Cross multiply
5,533,836.14x = 8,245,742.90 × 4,930,158.80 - Step 4: Simplify right side
5,533,836.14x = 40,652,821,920,972.52 - Step 5: Solve for x
x = 40,652,821,920,972.52/5,533,836.14 - Step 6: Final answer
x = 7,346,227.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.