Home / 18,637,865.28-27,947,444.43-10,859,293.38

Finding the Fourth Proportional to 18,637,865.28, 27,947,444.43 and 10,859,293.38

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Solution

The fourth proportional to 18,637,865.28, 27,947,444.43 and 10,859,293.38 is: 16,283,490.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,637,865.28 : 27,947,444.43 = 10,859,293.38 : x
  2. Step 2: Convert to fraction form
    18,637,865.28/27,947,444.43 = 10,859,293.38/x
  3. Step 3: Cross multiply
    18,637,865.28x = 27,947,444.43 × 10,859,293.38
  4. Step 4: Simplify right side
    18,637,865.28x = 303,489,498,286,616.88
  5. Step 5: Solve for x
    x = 303,489,498,286,616.88/18,637,865.28
  6. Step 6: Final answer
    x = 16,283,490.29

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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.