Finding the Fourth Proportional to 38,467,556.50, 57,712,122.12 and 15,454,650.94
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Solution
The fourth proportional to 38,467,556.50, 57,712,122.12 and 15,454,650.94 is: 23,186,310.32
Step by Step Solution
- Step 1: Write the proportion equation
38,467,556.50 : 57,712,122.12 = 15,454,650.94 : x - Step 2: Convert to fraction form
38,467,556.50/57,712,122.12 = 15,454,650.94/x - Step 3: Cross multiply
38,467,556.50x = 57,712,122.12 × 15,454,650.94 - Step 4: Simplify right side
38,467,556.50x = 891,920,702,371,252.75 - Step 5: Solve for x
x = 891,920,702,371,252.75/38,467,556.50 - Step 6: Final answer
x = 23,186,310.32
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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.