Finding the Fourth Proportional to 27,977,464.80, 41,966,197.20 and 16,612,063.20
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Solution
The fourth proportional to 27,977,464.80, 41,966,197.20 and 16,612,063.20 is: 24,918,094.80
Step by Step Solution
- Step 1: Write the proportion equation
27,977,464.80 : 41,966,197.20 = 16,612,063.20 : x - Step 2: Convert to fraction form
27,977,464.80/41,966,197.20 = 16,612,063.20/x - Step 3: Cross multiply
27,977,464.80x = 41,966,197.20 × 16,612,063.20 - Step 4: Simplify right side
27,977,464.80x = 697,145,120,150,063 - Step 5: Solve for x
x = 697,145,120,150,063/27,977,464.80 - Step 6: Final answer
x = 24,918,094.80
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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.