Finding the Fourth Proportional to 8,146,358.53, 12,230,217.18 and 5,462,692.20
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Solution
The fourth proportional to 8,146,358.53, 12,230,217.18 and 5,462,692.20 is: 8,201,199.56
Step by Step Solution
- Step 1: Write the proportion equation
8,146,358.53 : 12,230,217.18 = 5,462,692.20 : x - Step 2: Convert to fraction form
8,146,358.53/12,230,217.18 = 5,462,692.20/x - Step 3: Cross multiply
8,146,358.53x = 12,230,217.18 × 5,462,692.20 - Step 4: Simplify right side
8,146,358.53x = 66,809,911,993,492 - Step 5: Solve for x
x = 66,809,911,993,492/8,146,358.53 - Step 6: Final answer
x = 8,201,199.56
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1.5x scale
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.