Finding the Fourth Proportional to 16,580,256.20, 24,846,764.70 and 12,228,344.90
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Solution
The fourth proportional to 16,580,256.20, 24,846,764.70 and 12,228,344.90 is: 18,325,097.32
Step by Step Solution
- Step 1: Write the proportion equation
16,580,256.20 : 24,846,764.70 = 12,228,344.90 : x - Step 2: Convert to fraction form
16,580,256.20/24,846,764.70 = 12,228,344.90/x - Step 3: Cross multiply
16,580,256.20x = 24,846,764.70 × 12,228,344.90 - Step 4: Simplify right side
16,580,256.20x = 303,834,808,400,745 - Step 5: Solve for x
x = 303,834,808,400,745/16,580,256.20 - Step 6: Final answer
x = 18,325,097.32
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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.