Finding the Fourth Proportional to 11,340,983.28, 15,650,934.84 and 6,184,626.96
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Solution
The fourth proportional to 11,340,983.28, 15,650,934.84 and 6,184,626.96 is: 8,534,991.29
Step by Step Solution
- Step 1: Write the proportion equation
11,340,983.28 : 15,650,934.84 = 6,184,626.96 : x - Step 2: Convert to fraction form
11,340,983.28/15,650,934.84 = 6,184,626.96/x - Step 3: Cross multiply
11,340,983.28x = 15,650,934.84 × 6,184,626.96 - Step 4: Simplify right side
11,340,983.28x = 96,795,193,560,667.28 - Step 5: Solve for x
x = 96,795,193,560,667.28/11,340,983.28 - Step 6: Final answer
x = 8,534,991.29
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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.