Home / 20,759,251.70-31,141,853.55-6,383,526.90

Finding the Fourth Proportional to 20,759,251.70, 31,141,853.55 and 6,383,526.90

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Solution

The fourth proportional to 20,759,251.70, 31,141,853.55 and 6,383,526.90 is: 9,576,205.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,759,251.70 : 31,141,853.55 = 6,383,526.90 : x
  2. Step 2: Convert to fraction form
    20,759,251.70/31,141,853.55 = 6,383,526.90/x
  3. Step 3: Cross multiply
    20,759,251.70x = 31,141,853.55 × 6,383,526.90
  4. Step 4: Simplify right side
    20,759,251.70x = 198,794,859,852,285.50
  5. Step 5: Solve for x
    x = 198,794,859,852,285.50/20,759,251.70
  6. Step 6: Final answer
    x = 9,576,205.48

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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.