Finding the Fourth Proportional to 10,168,513.16, 14,026,690.50 and 6,091,770.20
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Solution
The fourth proportional to 10,168,513.16, 14,026,690.50 and 6,091,770.20 is: 8,403,133.66
Step by Step Solution
- Step 1: Write the proportion equation
10,168,513.16 : 14,026,690.50 = 6,091,770.20 : x - Step 2: Convert to fraction form
10,168,513.16/14,026,690.50 = 6,091,770.20/x - Step 3: Cross multiply
10,168,513.16x = 14,026,690.50 × 6,091,770.20 - Step 4: Simplify right side
10,168,513.16x = 85,447,375,192,523.11 - Step 5: Solve for x
x = 85,447,375,192,523.11/10,168,513.16 - Step 6: Final answer
x = 8,403,133.66
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1.5x scale
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.