Finding the Fourth Proportional to 17,478,523.96, 26,217,868.87 and 5,347,968.06
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Solution
The fourth proportional to 17,478,523.96, 26,217,868.87 and 5,347,968.06 is: 8,021,977.47
Step by Step Solution
- Step 1: Write the proportion equation
17,478,523.96 : 26,217,868.87 = 5,347,968.06 : x - Step 2: Convert to fraction form
17,478,523.96/26,217,868.87 = 5,347,968.06/x - Step 3: Cross multiply
17,478,523.96x = 26,217,868.87 × 5,347,968.06 - Step 4: Simplify right side
17,478,523.96x = 140,212,325,318,028.28 - Step 5: Solve for x
x = 140,212,325,318,028.28/17,478,523.96 - Step 6: Final answer
x = 8,021,977.47
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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.