Home / 13,434,619.39-20,122,390.73-11,102,684.17

Finding the Fourth Proportional to 13,434,619.39, 20,122,390.73 and 11,102,684.17

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Solution

The fourth proportional to 13,434,619.39, 20,122,390.73 and 11,102,684.17 is: 16,629,615.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434,619.39 : 20,122,390.73 = 11,102,684.17 : x
  2. Step 2: Convert to fraction form
    13,434,619.39/20,122,390.73 = 11,102,684.17/x
  3. Step 3: Cross multiply
    13,434,619.39x = 20,122,390.73 × 11,102,684.17
  4. Step 4: Simplify right side
    13,434,619.39x = 223,412,548,919,913.78
  5. Step 5: Solve for x
    x = 223,412,548,919,913.78/13,434,619.39
  6. Step 6: Final answer
    x = 16,629,615.06

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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.