Finding the Fourth Proportional to 8,334,515.08, 12,493,247.46 and 5,639,124.88
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Solution
The fourth proportional to 8,334,515.08, 12,493,247.46 and 5,639,124.88 is: 8,452,919.20
Step by Step Solution
- Step 1: Write the proportion equation
8,334,515.08 : 12,493,247.46 = 5,639,124.88 : x - Step 2: Convert to fraction form
8,334,515.08/12,493,247.46 = 5,639,124.88/x - Step 3: Cross multiply
8,334,515.08x = 12,493,247.46 × 5,639,124.88 - Step 4: Simplify right side
8,334,515.08x = 70,450,982,583,682.81 - Step 5: Solve for x
x = 70,450,982,583,682.81/8,334,515.08 - Step 6: Final answer
x = 8,452,919.20
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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.