Home / 11,379,321.28-17,051,004.78-9,238,948.12

Finding the Fourth Proportional to 11,379,321.28, 17,051,004.78 and 9,238,948.12

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Solution

The fourth proportional to 11,379,321.28, 17,051,004.78 and 9,238,948.12 is: 13,843,826.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,379,321.28 : 17,051,004.78 = 9,238,948.12 : x
  2. Step 2: Convert to fraction form
    11,379,321.28/17,051,004.78 = 9,238,948.12/x
  3. Step 3: Cross multiply
    11,379,321.28x = 17,051,004.78 × 9,238,948.12
  4. Step 4: Simplify right side
    11,379,321.28x = 157,533,348,556,292
  5. Step 5: Solve for x
    x = 157,533,348,556,292/11,379,321.28
  6. Step 6: Final answer
    x = 13,843,826.42

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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.