Finding the Fourth Proportional to 10,667,611.19, 15,994,936.75 and 4,182,917.23
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Solution
The fourth proportional to 10,667,611.19, 15,994,936.75 and 4,182,917.23 is: 6,271,834.93
Step by Step Solution
- Step 1: Write the proportion equation
10,667,611.19 : 15,994,936.75 = 4,182,917.23 : x - Step 2: Convert to fraction form
10,667,611.19/15,994,936.75 = 4,182,917.23/x - Step 3: Cross multiply
10,667,611.19x = 15,994,936.75 × 4,182,917.23 - Step 4: Simplify right side
10,667,611.19x = 66,905,496,524,335.20 - Step 5: Solve for x
x = 66,905,496,524,335.20/10,667,611.19 - Step 6: Final answer
x = 6,271,834.93
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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.