Home / 20,391,826.92-30,578,766.26-10,804,995.78

Finding the Fourth Proportional to 20,391,826.92, 30,578,766.26 and 10,804,995.78

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Solution

The fourth proportional to 20,391,826.92, 30,578,766.26 and 10,804,995.78 is: 16,202,738.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,391,826.92 : 30,578,766.26 = 10,804,995.78 : x
  2. Step 2: Convert to fraction form
    20,391,826.92/30,578,766.26 = 10,804,995.78/x
  3. Step 3: Cross multiply
    20,391,826.92x = 30,578,766.26 × 10,804,995.78
  4. Step 4: Simplify right side
    20,391,826.92x = 330,403,440,342,881.38
  5. Step 5: Solve for x
    x = 330,403,440,342,881.38/20,391,826.92
  6. Step 6: Final answer
    x = 16,202,738.56

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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.