Finding the Fourth Proportional to 12,271,146.80, 16,934,234.95 and 6,764,401.99
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Solution
The fourth proportional to 12,271,146.80, 16,934,234.95 and 6,764,401.99 is: 9,334,903.62
Step by Step Solution
- Step 1: Write the proportion equation
12,271,146.80 : 16,934,234.95 = 6,764,401.99 : x - Step 2: Convert to fraction form
12,271,146.80/16,934,234.95 = 6,764,401.99/x - Step 3: Cross multiply
12,271,146.80x = 16,934,234.95 × 6,764,401.99 - Step 4: Simplify right side
12,271,146.80x = 114,549,972,586,481.08 - Step 5: Solve for x
x = 114,549,972,586,481.08/12,271,146.80 - Step 6: Final answer
x = 9,334,903.62
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.