Home / 39,279,469.90-58,915,569.50-18,525,149.19

Finding the Fourth Proportional to 39,279,469.90, 58,915,569.50 and 18,525,149.19

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Solution

The fourth proportional to 39,279,469.90, 58,915,569.50 and 18,525,149.19 is: 27,786,009.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,279,469.90 : 58,915,569.50 = 18,525,149.19 : x
  2. Step 2: Convert to fraction form
    39,279,469.90/58,915,569.50 = 18,525,149.19/x
  3. Step 3: Cross multiply
    39,279,469.90x = 58,915,569.50 × 18,525,149.19
  4. Step 4: Simplify right side
    39,279,469.90x = 1,091,419,714,353,048.62
  5. Step 5: Solve for x
    x = 1,091,419,714,353,048.62/39,279,469.90
  6. Step 6: Final answer
    x = 27,786,009.26

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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.