Home / 20,147,171.10-30,220,756.65-17,029,383.90

Finding the Fourth Proportional to 20,147,171.10, 30,220,756.65 and 17,029,383.90

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Solution

The fourth proportional to 20,147,171.10, 30,220,756.65 and 17,029,383.90 is: 25,544,075.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,147,171.10 : 30,220,756.65 = 17,029,383.90 : x
  2. Step 2: Convert to fraction form
    20,147,171.10/30,220,756.65 = 17,029,383.90/x
  3. Step 3: Cross multiply
    20,147,171.10x = 30,220,756.65 × 17,029,383.90
  4. Step 4: Simplify right side
    20,147,171.10x = 514,640,866,741,327.88
  5. Step 5: Solve for x
    x = 514,640,866,741,327.88/20,147,171.10
  6. Step 6: Final answer
    x = 25,544,075.85

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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.