Finding the Fourth Proportional to 12,395,958.60, 18,593,937.90 and 4,306,245.60
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Solution
The fourth proportional to 12,395,958.60, 18,593,937.90 and 4,306,245.60 is: 6,459,368.40
Step by Step Solution
- Step 1: Write the proportion equation
12,395,958.60 : 18,593,937.90 = 4,306,245.60 : x - Step 2: Convert to fraction form
12,395,958.60/18,593,937.90 = 4,306,245.60/x - Step 3: Cross multiply
12,395,958.60x = 18,593,937.90 × 4,306,245.60 - Step 4: Simplify right side
12,395,958.60x = 80,070,063,268,548.23 - Step 5: Solve for x
x = 80,070,063,268,548.23/12,395,958.60 - Step 6: Final answer
x = 6,459,368.40
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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.