Home / 12,748,601.88-19,126,640.97-4,112,529.30

Finding the Fourth Proportional to 12,748,601.88, 19,126,640.97 and 4,112,529.30

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Solution

The fourth proportional to 12,748,601.88, 19,126,640.97 and 4,112,529.30 is: 6,169,999.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748,601.88 : 19,126,640.97 = 4,112,529.30 : x
  2. Step 2: Convert to fraction form
    12,748,601.88/19,126,640.97 = 4,112,529.30/x
  3. Step 3: Cross multiply
    12,748,601.88x = 19,126,640.97 × 4,112,529.30
  4. Step 4: Simplify right side
    12,748,601.88x = 78,658,871,399,705.41
  5. Step 5: Solve for x
    x = 78,658,871,399,705.41/12,748,601.88
  6. Step 6: Final answer
    x = 6,169,999.83

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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.