Home / 47,648,760.97-71,292,777.54-28,228,410.15

Finding the Fourth Proportional to 47,648,760.97, 71,292,777.54 and 28,228,410.15

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Solution

The fourth proportional to 47,648,760.97, 71,292,777.54 and 28,228,410.15 is: 42,235,762.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,648,760.97 : 71,292,777.54 = 28,228,410.15 : x
  2. Step 2: Convert to fraction form
    47,648,760.97/71,292,777.54 = 28,228,410.15/x
  3. Step 3: Cross multiply
    47,648,760.97x = 71,292,777.54 × 28,228,410.15
  4. Step 4: Simplify right side
    47,648,760.97x = 2,012,481,765,025,971.25
  5. Step 5: Solve for x
    x = 2,012,481,765,025,971.25/47,648,760.97
  6. Step 6: Final answer
    x = 42,235,762.78

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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.