Home / 12,101,920.20-18,127,997.10-8,319,673.80

Finding the Fourth Proportional to 12,101,920.20, 18,127,997.10 and 8,319,673.80

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Solution

The fourth proportional to 12,101,920.20, 18,127,997.10 and 8,319,673.80 is: 12,462,404.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,920.20 : 18,127,997.10 = 8,319,673.80 : x
  2. Step 2: Convert to fraction form
    12,101,920.20/18,127,997.10 = 8,319,673.80/x
  3. Step 3: Cross multiply
    12,101,920.20x = 18,127,997.10 × 8,319,673.80
  4. Step 4: Simplify right side
    12,101,920.20x = 150,819,022,519,346
  5. Step 5: Solve for x
    x = 150,819,022,519,346/12,101,920.20
  6. Step 6: Final answer
    x = 12,462,404.31

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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.