Home / 13,780,205.70-20,670,308.55-9,670,395.30

Finding the Fourth Proportional to 13,780,205.70, 20,670,308.55 and 9,670,395.30

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Solution

The fourth proportional to 13,780,205.70, 20,670,308.55 and 9,670,395.30 is: 14,505,592.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,780,205.70 : 20,670,308.55 = 9,670,395.30 : x
  2. Step 2: Convert to fraction form
    13,780,205.70/20,670,308.55 = 9,670,395.30/x
  3. Step 3: Cross multiply
    13,780,205.70x = 20,670,308.55 × 9,670,395.30
  4. Step 4: Simplify right side
    13,780,205.70x = 199,890,054,651,469.84
  5. Step 5: Solve for x
    x = 199,890,054,651,469.84/13,780,205.70
  6. Step 6: Final answer
    x = 14,505,592.95

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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.