Home / 10,253,376.40-15,380,939.40-2,680,330

Finding the Fourth Proportional to 10,253,376.40, 15,380,939.40 and 2,680,330

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Solution

The fourth proportional to 10,253,376.40, 15,380,939.40 and 2,680,330 is: 4,020,723.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,253,376.40 : 15,380,939.40 = 2,680,330 : x
  2. Step 2: Convert to fraction form
    10,253,376.40/15,380,939.40 = 2,680,330/x
  3. Step 3: Cross multiply
    10,253,376.40x = 15,380,939.40 × 2,680,330
  4. Step 4: Simplify right side
    10,253,376.40x = 41,225,993,302,002
  5. Step 5: Solve for x
    x = 41,225,993,302,002/10,253,376.40
  6. Step 6: Final answer
    x = 4,020,723.68

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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.