Home / 38,417,555.40-57,629,365.74-12,858,659.88

Finding the Fourth Proportional to 38,417,555.40, 57,629,365.74 and 12,858,659.88

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Solution

The fourth proportional to 38,417,555.40, 57,629,365.74 and 12,858,659.88 is: 19,289,004.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,417,555.40 : 57,629,365.74 = 12,858,659.88 : x
  2. Step 2: Convert to fraction form
    38,417,555.40/57,629,365.74 = 12,858,659.88/x
  3. Step 3: Cross multiply
    38,417,555.40x = 57,629,365.74 × 12,858,659.88
  4. Step 4: Simplify right side
    38,417,555.40x = 741,036,413,150,784.62
  5. Step 5: Solve for x
    x = 741,036,413,150,784.62/38,417,555.40
  6. Step 6: Final answer
    x = 19,289,004.87

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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.