Finding the Fourth Proportional to 26,431,311.60, 39,635,157.60 and 10,251,885.60
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Solution
The fourth proportional to 26,431,311.60, 39,635,157.60 and 10,251,885.60 is: 15,373,247.75
Step by Step Solution
- Step 1: Write the proportion equation
26,431,311.60 : 39,635,157.60 = 10,251,885.60 : x - Step 2: Convert to fraction form
26,431,311.60/39,635,157.60 = 10,251,885.60/x - Step 3: Cross multiply
26,431,311.60x = 39,635,157.60 × 10,251,885.60 - Step 4: Simplify right side
26,431,311.60x = 406,335,101,453,170.56 - Step 5: Solve for x
x = 406,335,101,453,170.56/26,431,311.60 - Step 6: Final answer
x = 15,373,247.75
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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.