Home / 18,139,584.53-27,209,207.57-7,354,321.58

Finding the Fourth Proportional to 18,139,584.53, 27,209,207.57 and 7,354,321.58

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Solution

The fourth proportional to 18,139,584.53, 27,209,207.57 and 7,354,321.58 is: 11,031,413.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139,584.53 : 27,209,207.57 = 7,354,321.58 : x
  2. Step 2: Convert to fraction form
    18,139,584.53/27,209,207.57 = 7,354,321.58/x
  3. Step 3: Cross multiply
    18,139,584.53x = 27,209,207.57 × 7,354,321.58
  4. Step 4: Simplify right side
    18,139,584.53x = 200,105,262,438,001.78
  5. Step 5: Solve for x
    x = 200,105,262,438,001.78/18,139,584.53
  6. Step 6: Final answer
    x = 11,031,413.76

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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.