Home / 22,769,792.38-31,422,201.51-12,456,328.06

Finding the Fourth Proportional to 22,769,792.38, 31,422,201.51 and 12,456,328.06

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Solution

The fourth proportional to 22,769,792.38, 31,422,201.51 and 12,456,328.06 is: 17,189,671.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,769,792.38 : 31,422,201.51 = 12,456,328.06 : x
  2. Step 2: Convert to fraction form
    22,769,792.38/31,422,201.51 = 12,456,328.06/x
  3. Step 3: Cross multiply
    22,769,792.38x = 31,422,201.51 × 12,456,328.06
  4. Step 4: Simplify right side
    22,769,792.38x = 391,405,250,375,987.44
  5. Step 5: Solve for x
    x = 391,405,250,375,987.44/22,769,792.38
  6. Step 6: Final answer
    x = 17,189,671.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.