Finding the Fourth Proportional to 7,388,429.90, 11,081,608.05 and 2,340,250.70
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Solution
The fourth proportional to 7,388,429.90, 11,081,608.05 and 2,340,250.70 is: 3,510,047.65
Step by Step Solution
- Step 1: Write the proportion equation
7,388,429.90 : 11,081,608.05 = 2,340,250.70 : x - Step 2: Convert to fraction form
7,388,429.90/11,081,608.05 = 2,340,250.70/x - Step 3: Cross multiply
7,388,429.90x = 11,081,608.05 × 2,340,250.70 - Step 4: Simplify right side
7,388,429.90x = 25,933,740,996,138.14 - Step 5: Solve for x
x = 25,933,740,996,138.14/7,388,429.90 - Step 6: Final answer
x = 3,510,047.65
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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.