Home / 13,394,650.23-20,085,475.86-7,856,698.77

Finding the Fourth Proportional to 13,394,650.23, 20,085,475.86 and 7,856,698.77

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Solution

The fourth proportional to 13,394,650.23, 20,085,475.86 and 7,856,698.77 is: 11,781,235.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394,650.23 : 20,085,475.86 = 7,856,698.77 : x
  2. Step 2: Convert to fraction form
    13,394,650.23/20,085,475.86 = 7,856,698.77/x
  3. Step 3: Cross multiply
    13,394,650.23x = 20,085,475.86 × 7,856,698.77
  4. Step 4: Simplify right side
    13,394,650.23x = 157,805,533,484,126.69
  5. Step 5: Solve for x
    x = 157,805,533,484,126.69/13,394,650.23
  6. Step 6: Final answer
    x = 11,781,235.85

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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.