Home / 17,640,489.48-26,422,155.54-12,507,359.91

Finding the Fourth Proportional to 17,640,489.48, 26,422,155.54 and 12,507,359.91

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Solution

The fourth proportional to 17,640,489.48, 26,422,155.54 and 12,507,359.91 is: 18,733,687.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,640,489.48 : 26,422,155.54 = 12,507,359.91 : x
  2. Step 2: Convert to fraction form
    17,640,489.48/26,422,155.54 = 12,507,359.91/x
  3. Step 3: Cross multiply
    17,640,489.48x = 26,422,155.54 × 12,507,359.91
  4. Step 4: Simplify right side
    17,640,489.48x = 330,471,408,936,780.38
  5. Step 5: Solve for x
    x = 330,471,408,936,780.38/17,640,489.48
  6. Step 6: Final answer
    x = 18,733,687.03

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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.