Home / 19,489,966.20-29,171,963.70-15,206,945.40

Finding the Fourth Proportional to 19,489,966.20, 29,171,963.70 and 15,206,945.40

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Solution

The fourth proportional to 19,489,966.20, 29,171,963.70 and 15,206,945.40 is: 22,761,273.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,489,966.20 : 29,171,963.70 = 15,206,945.40 : x
  2. Step 2: Convert to fraction form
    19,489,966.20/29,171,963.70 = 15,206,945.40/x
  3. Step 3: Cross multiply
    19,489,966.20x = 29,171,963.70 × 15,206,945.40
  4. Step 4: Simplify right side
    19,489,966.20x = 443,616,459,196,682
  5. Step 5: Solve for x
    x = 443,616,459,196,682/19,489,966.20
  6. Step 6: Final answer
    x = 22,761,273.91

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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.