Home / 18,428,939.40-27,664,404.30-10,860,169.80

Finding the Fourth Proportional to 18,428,939.40, 27,664,404.30 and 10,860,169.80

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Solution

The fourth proportional to 18,428,939.40, 27,664,404.30 and 10,860,169.80 is: 16,302,627.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,428,939.40 : 27,664,404.30 = 10,860,169.80 : x
  2. Step 2: Convert to fraction form
    18,428,939.40/27,664,404.30 = 10,860,169.80/x
  3. Step 3: Cross multiply
    18,428,939.40x = 27,664,404.30 × 10,860,169.80
  4. Step 4: Simplify right side
    18,428,939.40x = 300,440,128,113,850.19
  5. Step 5: Solve for x
    x = 300,440,128,113,850.19/18,428,939.40
  6. Step 6: Final answer
    x = 16,302,627.17

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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.