Finding the Fourth Proportional to 12,310,183.42, 18,465,250.35 and 11,561,069.63
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Solution
The fourth proportional to 12,310,183.42, 18,465,250.35 and 11,561,069.63 is: 17,341,581.17
Step by Step Solution
- Step 1: Write the proportion equation
12,310,183.42 : 18,465,250.35 = 11,561,069.63 : x - Step 2: Convert to fraction form
12,310,183.42/18,465,250.35 = 11,561,069.63/x - Step 3: Cross multiply
12,310,183.42x = 18,465,250.35 × 11,561,069.63 - Step 4: Simplify right side
12,310,183.42x = 213,478,045,031,731.91 - Step 5: Solve for x
x = 213,478,045,031,731.91/12,310,183.42 - Step 6: Final answer
x = 17,341,581.17
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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.