Home / 20,025,980.20-28,100,145.20-20,025,980.20

Finding the Fourth Proportional to 20,025,980.20, 28,100,145.20 and 20,025,980.20

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Solution

The fourth proportional to 20,025,980.20, 28,100,145.20 and 20,025,980.20 is: 28,100,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025,980.20 : 28,100,145.20 = 20,025,980.20 : x
  2. Step 2: Convert to fraction form
    20,025,980.20/28,100,145.20 = 20,025,980.20/x
  3. Step 3: Cross multiply
    20,025,980.20x = 28,100,145.20 × 20,025,980.20
  4. Step 4: Simplify right side
    20,025,980.20x = 562,732,951,392,325
  5. Step 5: Solve for x
    x = 562,732,951,392,325/20,025,980.20
  6. Step 6: Final answer
    x = 28,100,145.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.