Home / 20,194,389.80-30,291,584.70-17,005,743.80

Finding the Fourth Proportional to 20,194,389.80, 30,291,584.70 and 17,005,743.80

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Solution

The fourth proportional to 20,194,389.80, 30,291,584.70 and 17,005,743.80 is: 25,508,615.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194,389.80 : 30,291,584.70 = 17,005,743.80 : x
  2. Step 2: Convert to fraction form
    20,194,389.80/30,291,584.70 = 17,005,743.80/x
  3. Step 3: Cross multiply
    20,194,389.80x = 30,291,584.70 × 17,005,743.80
  4. Step 4: Simplify right side
    20,194,389.80x = 515,130,928,704,199.88
  5. Step 5: Solve for x
    x = 515,130,928,704,199.88/20,194,389.80
  6. Step 6: Final answer
    x = 25,508,615.70

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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.