Home / 47,682,001.20-71,523,001.80-11,780,209.20

Finding the Fourth Proportional to 47,682,001.20, 71,523,001.80 and 11,780,209.20

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Solution

The fourth proportional to 47,682,001.20, 71,523,001.80 and 11,780,209.20 is: 17,670,313.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,682,001.20 : 71,523,001.80 = 11,780,209.20 : x
  2. Step 2: Convert to fraction form
    47,682,001.20/71,523,001.80 = 11,780,209.20/x
  3. Step 3: Cross multiply
    47,682,001.20x = 71,523,001.80 × 11,780,209.20
  4. Step 4: Simplify right side
    47,682,001.20x = 842,555,923,815,976.50
  5. Step 5: Solve for x
    x = 842,555,923,815,976.50/47,682,001.20
  6. Step 6: Final answer
    x = 17,670,313.80

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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.