Home / 18,291,379.40-27,437,069.10-11,488,934.60

Finding the Fourth Proportional to 18,291,379.40, 27,437,069.10 and 11,488,934.60

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Solution

The fourth proportional to 18,291,379.40, 27,437,069.10 and 11,488,934.60 is: 17,233,401.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291,379.40 : 27,437,069.10 = 11,488,934.60 : x
  2. Step 2: Convert to fraction form
    18,291,379.40/27,437,069.10 = 11,488,934.60/x
  3. Step 3: Cross multiply
    18,291,379.40x = 27,437,069.10 × 11,488,934.60
  4. Step 4: Simplify right side
    18,291,379.40x = 315,222,692,505,580.88
  5. Step 5: Solve for x
    x = 315,222,692,505,580.88/18,291,379.40
  6. Step 6: Final answer
    x = 17,233,401.90

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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.