Finding the Fourth Proportional to 30,267,115.59, 41,749,977.51 and 21,568,098.99
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Solution
The fourth proportional to 30,267,115.59, 41,749,977.51 and 21,568,098.99 is: 29,750,692.47
Step by Step Solution
- Step 1: Write the proportion equation
30,267,115.59 : 41,749,977.51 = 21,568,098.99 : x - Step 2: Convert to fraction form
30,267,115.59/41,749,977.51 = 21,568,098.99/x - Step 3: Cross multiply
30,267,115.59x = 41,749,977.51 × 21,568,098.99 - Step 4: Simplify right side
30,267,115.59x = 900,467,647,765,953.62 - Step 5: Solve for x
x = 900,467,647,765,953.62/30,267,115.59 - Step 6: Final answer
x = 29,750,692.47
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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.