Home / 47,945,794.80-71,928,023.40-20,652,034.80

Finding the Fourth Proportional to 47,945,794.80, 71,928,023.40 and 20,652,034.80

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Solution

The fourth proportional to 47,945,794.80, 71,928,023.40 and 20,652,034.80 is: 30,982,071.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,945,794.80 : 71,928,023.40 = 20,652,034.80 : x
  2. Step 2: Convert to fraction form
    47,945,794.80/71,928,023.40 = 20,652,034.80/x
  3. Step 3: Cross multiply
    47,945,794.80x = 71,928,023.40 × 20,652,034.80
  4. Step 4: Simplify right side
    47,945,794.80x = 1,485,460,042,352,014.50
  5. Step 5: Solve for x
    x = 1,485,460,042,352,014.50/47,945,794.80
  6. Step 6: Final answer
    x = 30,982,071.49

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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.