Home / 28,949,228.72-39,950,629.72-15,718,963.26

Finding the Fourth Proportional to 28,949,228.72, 39,950,629.72 and 15,718,963.26

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Solution

The fourth proportional to 28,949,228.72, 39,950,629.72 and 15,718,963.26 is: 21,692,546.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,949,228.72 : 39,950,629.72 = 15,718,963.26 : x
  2. Step 2: Convert to fraction form
    28,949,228.72/39,950,629.72 = 15,718,963.26/x
  3. Step 3: Cross multiply
    28,949,228.72x = 39,950,629.72 × 15,718,963.26
  4. Step 4: Simplify right side
    28,949,228.72x = 627,982,480,703,949.38
  5. Step 5: Solve for x
    x = 627,982,480,703,949.38/28,949,228.72
  6. Step 6: Final answer
    x = 21,692,546.17

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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.