Home / 13,629,785.07-18,809,223.55-7,434,859.31

Finding the Fourth Proportional to 13,629,785.07, 18,809,223.55 and 7,434,859.31

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Solution

The fourth proportional to 13,629,785.07, 18,809,223.55 and 7,434,859.31 is: 10,260,171.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,629,785.07 : 18,809,223.55 = 7,434,859.31 : x
  2. Step 2: Convert to fraction form
    13,629,785.07/18,809,223.55 = 7,434,859.31/x
  3. Step 3: Cross multiply
    13,629,785.07x = 18,809,223.55 × 7,434,859.31
  4. Step 4: Simplify right side
    13,629,785.07x = 139,843,930,824,588.75
  5. Step 5: Solve for x
    x = 139,843,930,824,588.75/13,629,785.07
  6. Step 6: Final answer
    x = 10,260,171.39

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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.