Finding the Fourth Proportional to 27,467,987.70, 41,208,542.55 and 8,298,932.70
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Solution
The fourth proportional to 27,467,987.70, 41,208,542.55 and 8,298,932.70 is: 12,450,381.33
Step by Step Solution
- Step 1: Write the proportion equation
27,467,987.70 : 41,208,542.55 = 8,298,932.70 : x - Step 2: Convert to fraction form
27,467,987.70/41,208,542.55 = 8,298,932.70/x - Step 3: Cross multiply
27,467,987.70x = 41,208,542.55 × 8,298,932.70 - Step 4: Simplify right side
27,467,987.70x = 341,986,921,287,536.38 - Step 5: Solve for x
x = 341,986,921,287,536.38/27,467,987.70 - Step 6: Final answer
x = 12,450,381.33
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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.