Home / 13,698,920.26-18,903,469.53-7,587,217.54

Finding the Fourth Proportional to 13,698,920.26, 18,903,469.53 and 7,587,217.54

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Solution

The fourth proportional to 13,698,920.26, 18,903,469.53 and 7,587,217.54 is: 10,469,783.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698,920.26 : 18,903,469.53 = 7,587,217.54 : x
  2. Step 2: Convert to fraction form
    13,698,920.26/18,903,469.53 = 7,587,217.54/x
  3. Step 3: Cross multiply
    13,698,920.26x = 18,903,469.53 × 7,587,217.54
  4. Step 4: Simplify right side
    13,698,920.26x = 143,424,735,584,871.56
  5. Step 5: Solve for x
    x = 143,424,735,584,871.56/13,698,920.26
  6. Step 6: Final answer
    x = 10,469,783.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.