Home / 18,474,928.22-25,489,801.35-12,893,026.25

Finding the Fourth Proportional to 18,474,928.22, 25,489,801.35 and 12,893,026.25

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Solution

The fourth proportional to 18,474,928.22, 25,489,801.35 and 12,893,026.25 is: 17,788,468.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,474,928.22 : 25,489,801.35 = 12,893,026.25 : x
  2. Step 2: Convert to fraction form
    18,474,928.22/25,489,801.35 = 12,893,026.25/x
  3. Step 3: Cross multiply
    18,474,928.22x = 25,489,801.35 × 12,893,026.25
  4. Step 4: Simplify right side
    18,474,928.22x = 328,640,677,785,386.44
  5. Step 5: Solve for x
    x = 328,640,677,785,386.44/18,474,928.22
  6. Step 6: Final answer
    x = 17,788,468.46

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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.