Finding the Fourth Proportional to 12,012,220.41, 18,021,401.99 and 3,492,556.88
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Solution
The fourth proportional to 12,012,220.41, 18,021,401.99 and 3,492,556.88 is: 5,239,728.33
Step by Step Solution
- Step 1: Write the proportion equation
12,012,220.41 : 18,021,401.99 = 3,492,556.88 : x - Step 2: Convert to fraction form
12,012,220.41/18,021,401.99 = 3,492,556.88/x - Step 3: Cross multiply
12,012,220.41x = 18,021,401.99 × 3,492,556.88 - Step 4: Simplify right side
12,012,220.41x = 62,940,771,561,205.09 - Step 5: Solve for x
x = 62,940,771,561,205.09/12,012,220.41 - Step 6: Final answer
x = 5,239,728.33
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1.5x scale
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.