Finding the Fourth Proportional to 16,571,821.80, 24,815,742.30 and 13,212,589.80
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Solution
The fourth proportional to 16,571,821.80, 24,815,742.30 and 13,212,589.80 is: 19,785,406.07
Step by Step Solution
- Step 1: Write the proportion equation
16,571,821.80 : 24,815,742.30 = 13,212,589.80 : x - Step 2: Convert to fraction form
16,571,821.80/24,815,742.30 = 13,212,589.80/x - Step 3: Cross multiply
16,571,821.80x = 24,815,742.30 × 13,212,589.80 - Step 4: Simplify right side
16,571,821.80x = 327,880,223,592,408.56 - Step 5: Solve for x
x = 327,880,223,592,408.56/16,571,821.80 - Step 6: Final answer
x = 19,785,406.07
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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.