Finding the Fourth Proportional to 16,299,247.20, 24,431,014.80 and 8,199,304.80
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Solution
The fourth proportional to 16,299,247.20, 24,431,014.80 and 8,199,304.80 is: 12,289,974.77
Step by Step Solution
- Step 1: Write the proportion equation
16,299,247.20 : 24,431,014.80 = 8,199,304.80 : x - Step 2: Convert to fraction form
16,299,247.20/24,431,014.80 = 8,199,304.80/x - Step 3: Cross multiply
16,299,247.20x = 24,431,014.80 × 8,199,304.80 - Step 4: Simplify right side
16,299,247.20x = 200,317,336,918,511.03 - Step 5: Solve for x
x = 200,317,336,918,511.03/16,299,247.20 - Step 6: Final answer
x = 12,289,974.77
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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.