Home / 15,170,164.53-20,940,519.95-9,943,509.43

Finding the Fourth Proportional to 15,170,164.53, 20,940,519.95 and 9,943,509.43

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Solution

The fourth proportional to 15,170,164.53, 20,940,519.95 and 9,943,509.43 is: 13,725,774.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,170,164.53 : 20,940,519.95 = 9,943,509.43 : x
  2. Step 2: Convert to fraction form
    15,170,164.53/20,940,519.95 = 9,943,509.43/x
  3. Step 3: Cross multiply
    15,170,164.53x = 20,940,519.95 × 9,943,509.43
  4. Step 4: Simplify right side
    15,170,164.53x = 208,222,257,591,928.12
  5. Step 5: Solve for x
    x = 208,222,257,591,928.12/15,170,164.53
  6. Step 6: Final answer
    x = 13,725,774.51

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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.