Home / 18,190,620.44-25,102,997.40-9,930,784.80

Finding the Fourth Proportional to 18,190,620.44, 25,102,997.40 and 9,930,784.80

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Solution

The fourth proportional to 18,190,620.44, 25,102,997.40 and 9,930,784.80 is: 13,704,450.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,190,620.44 : 25,102,997.40 = 9,930,784.80 : x
  2. Step 2: Convert to fraction form
    18,190,620.44/25,102,997.40 = 9,930,784.80/x
  3. Step 3: Cross multiply
    18,190,620.44x = 25,102,997.40 × 9,930,784.80
  4. Step 4: Simplify right side
    18,190,620.44x = 249,292,465,014,359.53
  5. Step 5: Solve for x
    x = 249,292,465,014,359.53/18,190,620.44
  6. Step 6: Final answer
    x = 13,704,450.92

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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.