Finding the Fourth Proportional to 8,317,232.70, 12,474,682.65 and 2,638,031.10
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Solution
The fourth proportional to 8,317,232.70, 12,474,682.65 and 2,638,031.10 is: 3,956,676.70
Step by Step Solution
- Step 1: Write the proportion equation
8,317,232.70 : 12,474,682.65 = 2,638,031.10 : x - Step 2: Convert to fraction form
8,317,232.70/12,474,682.65 = 2,638,031.10/x - Step 3: Cross multiply
8,317,232.70x = 12,474,682.65 × 2,638,031.10 - Step 4: Simplify right side
8,317,232.70x = 32,908,600,793,330.42 - Step 5: Solve for x
x = 32,908,600,793,330.42/8,317,232.70 - Step 6: Final answer
x = 3,956,676.70
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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.