Home / 18,217,373.31-25,139,288.07-9,957,365.91

Finding the Fourth Proportional to 18,217,373.31, 25,139,288.07 and 9,957,365.91

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Solution

The fourth proportional to 18,217,373.31, 25,139,288.07 and 9,957,365.91 is: 13,740,789.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217,373.31 : 25,139,288.07 = 9,957,365.91 : x
  2. Step 2: Convert to fraction form
    18,217,373.31/25,139,288.07 = 9,957,365.91/x
  3. Step 3: Cross multiply
    18,217,373.31x = 25,139,288.07 × 9,957,365.91
  4. Step 4: Simplify right side
    18,217,373.31x = 250,321,089,980,100.88
  5. Step 5: Solve for x
    x = 250,321,089,980,100.88/18,217,373.31
  6. Step 6: Final answer
    x = 13,740,789.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.