Home / 20,194,385.80-30,291,578.70-17,005,739.80

Finding the Fourth Proportional to 20,194,385.80, 30,291,578.70 and 17,005,739.80

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Solution

The fourth proportional to 20,194,385.80, 30,291,578.70 and 17,005,739.80 is: 25,508,609.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194,385.80 : 30,291,578.70 = 17,005,739.80 : x
  2. Step 2: Convert to fraction form
    20,194,385.80/30,291,578.70 = 17,005,739.80/x
  3. Step 3: Cross multiply
    20,194,385.80x = 30,291,578.70 × 17,005,739.80
  4. Step 4: Simplify right side
    20,194,385.80x = 515,130,705,503,422.25
  5. Step 5: Solve for x
    x = 515,130,705,503,422.25/20,194,385.80
  6. Step 6: Final answer
    x = 25,508,609.70

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1.5x scale

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.