Home / 13,434,668-20,122,463.34-11,102,732.40

Finding the Fourth Proportional to 13,434,668, 20,122,463.34 and 11,102,732.40

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Solution

The fourth proportional to 13,434,668, 20,122,463.34 and 11,102,732.40 is: 16,629,687.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434,668 : 20,122,463.34 = 11,102,732.40 : x
  2. Step 2: Convert to fraction form
    13,434,668/20,122,463.34 = 11,102,732.40/x
  3. Step 3: Cross multiply
    13,434,668x = 20,122,463.34 × 11,102,732.40
  4. Step 4: Simplify right side
    13,434,668x = 223,414,325,692,830.22
  5. Step 5: Solve for x
    x = 223,414,325,692,830.22/13,434,668
  6. Step 6: Final answer
    x = 16,629,687.14

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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.