Finding the Fourth Proportional to 38,467,556.74, 57,712,122.49 and 15,454,651.20
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Solution
The fourth proportional to 38,467,556.74, 57,712,122.49 and 15,454,651.20 is: 23,186,310.72
Step by Step Solution
- Step 1: Write the proportion equation
38,467,556.74 : 57,712,122.49 = 15,454,651.20 : x - Step 2: Convert to fraction form
38,467,556.74/57,712,122.49 = 15,454,651.20/x - Step 3: Cross multiply
38,467,556.74x = 57,712,122.49 × 15,454,651.20 - Step 4: Simplify right side
38,467,556.74x = 891,920,723,094,625.50 - Step 5: Solve for x
x = 891,920,723,094,625.50/38,467,556.74 - Step 6: Final answer
x = 23,186,310.72
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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.