Home / 20,502,012.60-30,753,018.90-8,367,443.10

Finding the Fourth Proportional to 20,502,012.60, 30,753,018.90 and 8,367,443.10

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Solution

The fourth proportional to 20,502,012.60, 30,753,018.90 and 8,367,443.10 is: 12,551,164.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,502,012.60 : 30,753,018.90 = 8,367,443.10 : x
  2. Step 2: Convert to fraction form
    20,502,012.60/30,753,018.90 = 8,367,443.10/x
  3. Step 3: Cross multiply
    20,502,012.60x = 30,753,018.90 × 8,367,443.10
  4. Step 4: Simplify right side
    20,502,012.60x = 257,324,135,798,974.56
  5. Step 5: Solve for x
    x = 257,324,135,798,974.56/20,502,012.60
  6. Step 6: Final answer
    x = 12,551,164.65

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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.