Home / 17,028,257.40-23,488,486.92-12,135,047.40

Finding the Fourth Proportional to 17,028,257.40, 23,488,486.92 and 12,135,047.40

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Solution

The fourth proportional to 17,028,257.40, 23,488,486.92 and 12,135,047.40 is: 16,738,876.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,028,257.40 : 23,488,486.92 = 12,135,047.40 : x
  2. Step 2: Convert to fraction form
    17,028,257.40/23,488,486.92 = 12,135,047.40/x
  3. Step 3: Cross multiply
    17,028,257.40x = 23,488,486.92 × 12,135,047.40
  4. Step 4: Simplify right side
    17,028,257.40x = 285,033,902,128,480.06
  5. Step 5: Solve for x
    x = 285,033,902,128,480.06/17,028,257.40
  6. Step 6: Final answer
    x = 16,738,876.76

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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.