Finding the Fourth Proportional to 39,317,201.77, 54,245,715.15 and 22,794,029.11
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Solution
The fourth proportional to 39,317,201.77, 54,245,715.15 and 22,794,029.11 is: 31,448,789.70
Step by Step Solution
- Step 1: Write the proportion equation
39,317,201.77 : 54,245,715.15 = 22,794,029.11 : x - Step 2: Convert to fraction form
39,317,201.77/54,245,715.15 = 22,794,029.11/x - Step 3: Cross multiply
39,317,201.77x = 54,245,715.15 × 22,794,029.11 - Step 4: Simplify right side
39,317,201.77x = 1,236,478,410,221,868 - Step 5: Solve for x
x = 1,236,478,410,221,868/39,317,201.77 - Step 6: Final answer
x = 31,448,789.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.