Home / 19,489,964.20-29,171,960.70-15,206,943.40

Finding the Fourth Proportional to 19,489,964.20, 29,171,960.70 and 15,206,943.40

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Solution

The fourth proportional to 19,489,964.20, 29,171,960.70 and 15,206,943.40 is: 22,761,270.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,489,964.20 : 29,171,960.70 = 15,206,943.40 : x
  2. Step 2: Convert to fraction form
    19,489,964.20/29,171,960.70 = 15,206,943.40/x
  3. Step 3: Cross multiply
    19,489,964.20x = 29,171,960.70 × 15,206,943.40
  4. Step 4: Simplify right side
    19,489,964.20x = 443,616,355,231,924.38
  5. Step 5: Solve for x
    x = 443,616,355,231,924.38/19,489,964.20
  6. Step 6: Final answer
    x = 22,761,270.91

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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.