Home / 20,759,235.20-31,141,828.80-6,383,510.40

Finding the Fourth Proportional to 20,759,235.20, 31,141,828.80 and 6,383,510.40

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Solution

The fourth proportional to 20,759,235.20, 31,141,828.80 and 6,383,510.40 is: 9,576,180.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,759,235.20 : 31,141,828.80 = 6,383,510.40 : x
  2. Step 2: Convert to fraction form
    20,759,235.20/31,141,828.80 = 6,383,510.40/x
  3. Step 3: Cross multiply
    20,759,235.20x = 31,141,828.80 × 6,383,510.40
  4. Step 4: Simplify right side
    20,759,235.20x = 198,794,188,019,819.53
  5. Step 5: Solve for x
    x = 198,794,188,019,819.53/20,759,235.20
  6. Step 6: Final answer
    x = 9,576,180.73

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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.