Home / 20,108,201.30-30,162,301.95-6,645,029.30

Finding the Fourth Proportional to 20,108,201.30, 30,162,301.95 and 6,645,029.30

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Solution

The fourth proportional to 20,108,201.30, 30,162,301.95 and 6,645,029.30 is: 9,967,543.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,108,201.30 : 30,162,301.95 = 6,645,029.30 : x
  2. Step 2: Convert to fraction form
    20,108,201.30/30,162,301.95 = 6,645,029.30/x
  3. Step 3: Cross multiply
    20,108,201.30x = 30,162,301.95 × 6,645,029.30
  4. Step 4: Simplify right side
    20,108,201.30x = 200,429,380,213,197.12
  5. Step 5: Solve for x
    x = 200,429,380,213,197.12/20,108,201.30
  6. Step 6: Final answer
    x = 9,967,543.95

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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.