Finding the Fourth Proportional to 7,476,101.70, 11,214,152.55 and 4,074,879.30
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Solution
The fourth proportional to 7,476,101.70, 11,214,152.55 and 4,074,879.30 is: 6,112,318.95
Step by Step Solution
- Step 1: Write the proportion equation
7,476,101.70 : 11,214,152.55 = 4,074,879.30 : x - Step 2: Convert to fraction form
7,476,101.70/11,214,152.55 = 4,074,879.30/x - Step 3: Cross multiply
7,476,101.70x = 11,214,152.55 × 4,074,879.30 - Step 4: Simplify right side
7,476,101.70x = 45,696,318,093,037.22 - Step 5: Solve for x
x = 45,696,318,093,037.22/7,476,101.70 - Step 6: Final answer
x = 6,112,318.95
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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.