Home / 13,932,005.40-20,850,768.90-12,231,394.20

Finding the Fourth Proportional to 13,932,005.40, 20,850,768.90 and 12,231,394.20

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Solution

The fourth proportional to 13,932,005.40, 20,850,768.90 and 12,231,394.20 is: 18,305,618.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932,005.40 : 20,850,768.90 = 12,231,394.20 : x
  2. Step 2: Convert to fraction form
    13,932,005.40/20,850,768.90 = 12,231,394.20/x
  3. Step 3: Cross multiply
    13,932,005.40x = 20,850,768.90 × 12,231,394.20
  4. Step 4: Simplify right side
    13,932,005.40x = 255,033,973,789,000.34
  5. Step 5: Solve for x
    x = 255,033,973,789,000.34/13,932,005.40
  6. Step 6: Final answer
    x = 18,305,618.36

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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.