Home / 20,250,417.65-27,945,650.43-10,957,987.80

Finding the Fourth Proportional to 20,250,417.65, 27,945,650.43 and 10,957,987.80

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Solution

The fourth proportional to 20,250,417.65, 27,945,650.43 and 10,957,987.80 is: 15,122,063.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,250,417.65 : 27,945,650.43 = 10,957,987.80 : x
  2. Step 2: Convert to fraction form
    20,250,417.65/27,945,650.43 = 10,957,987.80/x
  3. Step 3: Cross multiply
    20,250,417.65x = 27,945,650.43 × 10,957,987.80
  4. Step 4: Simplify right side
    20,250,417.65x = 306,228,096,475,004.75
  5. Step 5: Solve for x
    x = 306,228,096,475,004.75/20,250,417.65
  6. Step 6: Final answer
    x = 15,122,063.25

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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.