Finding the Fourth Proportional to 8,360,732.16, 12,536,354.88 and 7,647,439.68
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Solution
The fourth proportional to 8,360,732.16, 12,536,354.88 and 7,647,439.68 is: 11,466,820.84
Step by Step Solution
- Step 1: Write the proportion equation
8,360,732.16 : 12,536,354.88 = 7,647,439.68 : x - Step 2: Convert to fraction form
8,360,732.16/12,536,354.88 = 7,647,439.68/x - Step 3: Cross multiply
8,360,732.16x = 12,536,354.88 × 7,647,439.68 - Step 4: Simplify right side
8,360,732.16x = 95,871,017,751,873.64 - Step 5: Solve for x
x = 95,871,017,751,873.64/8,360,732.16 - Step 6: Final answer
x = 11,466,820.84
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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.