Home / 12,469,300.85-17,219,518.77-11,789,978.86

Finding the Fourth Proportional to 12,469,300.85, 17,219,518.77 and 11,789,978.86

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Solution

The fourth proportional to 12,469,300.85, 17,219,518.77 and 11,789,978.86 is: 16,281,407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,469,300.85 : 17,219,518.77 = 11,789,978.86 : x
  2. Step 2: Convert to fraction form
    12,469,300.85/17,219,518.77 = 11,789,978.86/x
  3. Step 3: Cross multiply
    12,469,300.85x = 17,219,518.77 × 11,789,978.86
  4. Step 4: Simplify right side
    12,469,300.85x = 203,017,762,277,091.41
  5. Step 5: Solve for x
    x = 203,017,762,277,091.41/12,469,300.85
  6. Step 6: Final answer
    x = 16,281,407.01

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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.