Finding the Fourth Proportional to 17,388,793.76, 26,085,082.38 and 6,457,701.20
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Solution
The fourth proportional to 17,388,793.76, 26,085,082.38 and 6,457,701.20 is: 9,687,254.33
Step by Step Solution
- Step 1: Write the proportion equation
17,388,793.76 : 26,085,082.38 = 6,457,701.20 : x - Step 2: Convert to fraction form
17,388,793.76/26,085,082.38 = 6,457,701.20/x - Step 3: Cross multiply
17,388,793.76x = 26,085,082.38 × 6,457,701.20 - Step 4: Simplify right side
17,388,793.76x = 168,449,667,656,999.44 - Step 5: Solve for x
x = 168,449,667,656,999.44/17,388,793.76 - Step 6: Final answer
x = 9,687,254.33
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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.