Home / 12,859,638.60-17,747,188.26-8,501,166.28

Finding the Fourth Proportional to 12,859,638.60, 17,747,188.26 and 8,501,166.28

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Solution

The fourth proportional to 12,859,638.60, 17,747,188.26 and 8,501,166.28 is: 11,732,195.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,859,638.60 : 17,747,188.26 = 8,501,166.28 : x
  2. Step 2: Convert to fraction form
    12,859,638.60/17,747,188.26 = 8,501,166.28/x
  3. Step 3: Cross multiply
    12,859,638.60x = 17,747,188.26 × 8,501,166.28
  4. Step 4: Simplify right side
    12,859,638.60x = 150,871,798,400,723.88
  5. Step 5: Solve for x
    x = 150,871,798,400,723.88/12,859,638.60
  6. Step 6: Final answer
    x = 11,732,195.83

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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.