Home / 20,485,730.10-30,728,595.15-20,485,730.10

Finding the Fourth Proportional to 20,485,730.10, 30,728,595.15 and 20,485,730.10

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Solution

The fourth proportional to 20,485,730.10, 30,728,595.15 and 20,485,730.10 is: 30,728,595.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,485,730.10 : 30,728,595.15 = 20,485,730.10 : x
  2. Step 2: Convert to fraction form
    20,485,730.10/30,728,595.15 = 20,485,730.10/x
  3. Step 3: Cross multiply
    20,485,730.10x = 30,728,595.15 × 20,485,730.10
  4. Step 4: Simplify right side
    20,485,730.10x = 629,497,706,595,069
  5. Step 5: Solve for x
    x = 629,497,706,595,069/20,485,730.10
  6. Step 6: Final answer
    x = 30,728,595.15

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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.