Finding the Fourth Proportional to 16,299,289.20, 24,431,077.80 and 8,199,346.80
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Solution
The fourth proportional to 16,299,289.20, 24,431,077.80 and 8,199,346.80 is: 12,290,037.75
Step by Step Solution
- Step 1: Write the proportion equation
16,299,289.20 : 24,431,077.80 = 8,199,346.80 : x - Step 2: Convert to fraction form
16,299,289.20/24,431,077.80 = 8,199,346.80/x - Step 3: Cross multiply
16,299,289.20x = 24,431,077.80 × 8,199,346.80 - Step 4: Simplify right side
16,299,289.20x = 200,318,879,579,981.03 - Step 5: Solve for x
x = 200,318,879,579,981.03/16,299,289.20 - Step 6: Final answer
x = 12,290,037.75
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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.