Finding the Fourth Proportional to 12,236,468.85, 18,338,169.08 and 4,659,301.17
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Solution
The fourth proportional to 12,236,468.85, 18,338,169.08 and 4,659,301.17 is: 6,982,656.00
Step by Step Solution
- Step 1: Write the proportion equation
12,236,468.85 : 18,338,169.08 = 4,659,301.17 : x - Step 2: Convert to fraction form
12,236,468.85/18,338,169.08 = 4,659,301.17/x - Step 3: Cross multiply
12,236,468.85x = 18,338,169.08 × 4,659,301.17 - Step 4: Simplify right side
12,236,468.85x = 85,443,052,661,750.08 - Step 5: Solve for x
x = 85,443,052,661,750.08/12,236,468.85 - Step 6: Final answer
x = 6,982,656.00
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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.