Home / 11,295,128.89-15,587,375.30-6,138,491.50

Finding the Fourth Proportional to 11,295,128.89, 15,587,375.30 and 6,138,491.50

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Solution

The fourth proportional to 11,295,128.89, 15,587,375.30 and 6,138,491.50 is: 8,471,171.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,295,128.89 : 15,587,375.30 = 6,138,491.50 : x
  2. Step 2: Convert to fraction form
    11,295,128.89/15,587,375.30 = 6,138,491.50/x
  3. Step 3: Cross multiply
    11,295,128.89x = 15,587,375.30 × 6,138,491.50
  4. Step 4: Simplify right side
    11,295,128.89x = 95,682,970,755,667.48
  5. Step 5: Solve for x
    x = 95,682,970,755,667.48/11,295,128.89
  6. Step 6: Final answer
    x = 8,471,171.22

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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.