Home / 31,349,078.35-43,276,205.94-18,796,073.45

Finding the Fourth Proportional to 31,349,078.35, 43,276,205.94 and 18,796,073.45

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Solution

The fourth proportional to 31,349,078.35, 43,276,205.94 and 18,796,073.45 is: 25,947,261.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,349,078.35 : 43,276,205.94 = 18,796,073.45 : x
  2. Step 2: Convert to fraction form
    31,349,078.35/43,276,205.94 = 18,796,073.45/x
  3. Step 3: Cross multiply
    31,349,078.35x = 43,276,205.94 × 18,796,073.45
  4. Step 4: Simplify right side
    31,349,078.35x = 813,422,745,454,185.75
  5. Step 5: Solve for x
    x = 813,422,745,454,185.75/31,349,078.35
  6. Step 6: Final answer
    x = 25,947,261.88

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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.