Finding the Fourth Proportional to 11,667,478.24, 16,101,122.94 and 6,440,489.32
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Solution
The fourth proportional to 11,667,478.24, 16,101,122.94 and 6,440,489.32 is: 8,887,876.90
Step by Step Solution
- Step 1: Write the proportion equation
11,667,478.24 : 16,101,122.94 = 6,440,489.32 : x - Step 2: Convert to fraction form
11,667,478.24/16,101,122.94 = 6,440,489.32/x - Step 3: Cross multiply
11,667,478.24x = 16,101,122.94 × 6,440,489.32 - Step 4: Simplify right side
11,667,478.24x = 103,699,110,335,077 - Step 5: Solve for x
x = 103,699,110,335,077/11,667,478.24 - Step 6: Final answer
x = 8,887,876.90
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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.