Home / 13,263,693.89-18,303,768.18-7,383,234.83

Finding the Fourth Proportional to 13,263,693.89, 18,303,768.18 and 7,383,234.83

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Solution

The fourth proportional to 13,263,693.89, 18,303,768.18 and 7,383,234.83 is: 10,188,792.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263,693.89 : 18,303,768.18 = 7,383,234.83 : x
  2. Step 2: Convert to fraction form
    13,263,693.89/18,303,768.18 = 7,383,234.83/x
  3. Step 3: Cross multiply
    13,263,693.89x = 18,303,768.18 × 7,383,234.83
  4. Step 4: Simplify right side
    13,263,693.89x = 135,141,018,655,302.88
  5. Step 5: Solve for x
    x = 135,141,018,655,302.88/13,263,693.89
  6. Step 6: Final answer
    x = 10,188,792.04

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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.