Home / 9,180,955.38-13,768,972.69-2,789,491.62

Finding the Fourth Proportional to 9,180,955.38, 13,768,972.69 and 2,789,491.62

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Solution

The fourth proportional to 9,180,955.38, 13,768,972.69 and 2,789,491.62 is: 4,183,489.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180,955.38 : 13,768,972.69 = 2,789,491.62 : x
  2. Step 2: Convert to fraction form
    9,180,955.38/13,768,972.69 = 2,789,491.62/x
  3. Step 3: Cross multiply
    9,180,955.38x = 13,768,972.69 × 2,789,491.62
  4. Step 4: Simplify right side
    9,180,955.38x = 38,408,433,915,050.45
  5. Step 5: Solve for x
    x = 38,408,433,915,050.45/9,180,955.38
  6. Step 6: Final answer
    x = 4,183,489.88

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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.