Home / 20,485,725.10-30,728,587.65-20,485,725.10

Finding the Fourth Proportional to 20,485,725.10, 30,728,587.65 and 20,485,725.10

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Solution

The fourth proportional to 20,485,725.10, 30,728,587.65 and 20,485,725.10 is: 30,728,587.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,485,725.10 : 30,728,587.65 = 20,485,725.10 : x
  2. Step 2: Convert to fraction form
    20,485,725.10/30,728,587.65 = 20,485,725.10/x
  3. Step 3: Cross multiply
    20,485,725.10x = 30,728,587.65 × 20,485,725.10
  4. Step 4: Simplify right side
    20,485,725.10x = 629,497,399,309,155
  5. Step 5: Solve for x
    x = 629,497,399,309,155/20,485,725.10
  6. Step 6: Final answer
    x = 30,728,587.65

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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.