Finding the Fourth Proportional to 10,366,311.20, 15,549,466.80 and 3,635,405.60
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Solution
The fourth proportional to 10,366,311.20, 15,549,466.80 and 3,635,405.60 is: 5,453,108.40
Step by Step Solution
- Step 1: Write the proportion equation
10,366,311.20 : 15,549,466.80 = 3,635,405.60 : x - Step 2: Convert to fraction form
10,366,311.20/15,549,466.80 = 3,635,405.60/x - Step 3: Cross multiply
10,366,311.20x = 15,549,466.80 × 3,635,405.60 - Step 4: Simplify right side
10,366,311.20x = 56,528,618,681,734.09 - Step 5: Solve for x
x = 56,528,618,681,734.09/10,366,311.20 - Step 6: Final answer
x = 5,453,108.40
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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.