Home / 39,084,163.20-58,626,244.80-18,928,771.20

Finding the Fourth Proportional to 39,084,163.20, 58,626,244.80 and 18,928,771.20

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Solution

The fourth proportional to 39,084,163.20, 58,626,244.80 and 18,928,771.20 is: 28,393,156.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,084,163.20 : 58,626,244.80 = 18,928,771.20 : x
  2. Step 2: Convert to fraction form
    39,084,163.20/58,626,244.80 = 18,928,771.20/x
  3. Step 3: Cross multiply
    39,084,163.20x = 58,626,244.80 × 18,928,771.20
  4. Step 4: Simplify right side
    39,084,163.20x = 1,109,722,774,134,389.62
  5. Step 5: Solve for x
    x = 1,109,722,774,134,389.62/39,084,163.20
  6. Step 6: Final answer
    x = 28,393,156.80

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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.