Home / 19,947,021.38-29,920,540.30-4,800,952.88

Finding the Fourth Proportional to 19,947,021.38, 29,920,540.30 and 4,800,952.88

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Solution

The fourth proportional to 19,947,021.38, 29,920,540.30 and 4,800,952.88 is: 7,201,431.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947,021.38 : 29,920,540.30 = 4,800,952.88 : x
  2. Step 2: Convert to fraction form
    19,947,021.38/29,920,540.30 = 4,800,952.88/x
  3. Step 3: Cross multiply
    19,947,021.38x = 29,920,540.30 × 4,800,952.88
  4. Step 4: Simplify right side
    19,947,021.38x = 143,647,104,124,441.06
  5. Step 5: Solve for x
    x = 143,647,104,124,441.06/19,947,021.38
  6. Step 6: Final answer
    x = 7,201,431.30

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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.