Home / 13,842,932.37-20,768,834.42-9,692,657.28

Finding the Fourth Proportional to 13,842,932.37, 20,768,834.42 and 9,692,657.28

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Solution

The fourth proportional to 13,842,932.37, 20,768,834.42 and 9,692,657.28 is: 14,542,091.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,842,932.37 : 20,768,834.42 = 9,692,657.28 : x
  2. Step 2: Convert to fraction form
    13,842,932.37/20,768,834.42 = 9,692,657.28/x
  3. Step 3: Cross multiply
    13,842,932.37x = 20,768,834.42 × 9,692,657.28
  4. Step 4: Simplify right side
    13,842,932.37x = 201,305,194,089,664.28
  5. Step 5: Solve for x
    x = 201,305,194,089,664.28/13,842,932.37
  6. Step 6: Final answer
    x = 14,542,091.86

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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.