Finding the Fourth Proportional to 7,473,230.20, 11,209,845.30 and 2,082,712.60
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Solution
The fourth proportional to 7,473,230.20, 11,209,845.30 and 2,082,712.60 is: 3,124,068.90
Step by Step Solution
- Step 1: Write the proportion equation
7,473,230.20 : 11,209,845.30 = 2,082,712.60 : x - Step 2: Convert to fraction form
7,473,230.20/11,209,845.30 = 2,082,712.60/x - Step 3: Cross multiply
7,473,230.20x = 11,209,845.30 × 2,082,712.60 - Step 4: Simplify right side
7,473,230.20x = 23,346,886,050,360.78 - Step 5: Solve for x
x = 23,346,886,050,360.78/7,473,230.20 - Step 6: Final answer
x = 3,124,068.90
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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.