Finding the Fourth Proportional to 20,274,524.64, 30,408,113.16 and 8,143,498.08
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Solution
The fourth proportional to 20,274,524.64, 30,408,113.16 and 8,143,498.08 is: 12,213,771.50
Step by Step Solution
- Step 1: Write the proportion equation
20,274,524.64 : 30,408,113.16 = 8,143,498.08 : x - Step 2: Convert to fraction form
20,274,524.64/30,408,113.16 = 8,143,498.08/x - Step 3: Cross multiply
20,274,524.64x = 30,408,113.16 × 8,143,498.08 - Step 4: Simplify right side
20,274,524.64x = 247,628,411,134,882.75 - Step 5: Solve for x
x = 247,628,411,134,882.75/20,274,524.64 - Step 6: Final answer
x = 12,213,771.50
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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.