Finding the Fourth Proportional to 12,251,279.05, 18,372,489.90 and 6,183,994.30
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Solution
The fourth proportional to 12,251,279.05, 18,372,489.90 and 6,183,994.30 is: 9,273,756.02
Step by Step Solution
- Step 1: Write the proportion equation
12,251,279.05 : 18,372,489.90 = 6,183,994.30 : x - Step 2: Convert to fraction form
12,251,279.05/18,372,489.90 = 6,183,994.30/x - Step 3: Cross multiply
12,251,279.05x = 18,372,489.90 × 6,183,994.30 - Step 4: Simplify right side
12,251,279.05x = 113,615,372,818,407.56 - Step 5: Solve for x
x = 113,615,372,818,407.56/12,251,279.05 - Step 6: Final answer
x = 9,273,756.02
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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.