Home / 13,094,519.89-18,071,846.92-7,214,745.18

Finding the Fourth Proportional to 13,094,519.89, 18,071,846.92 and 7,214,745.18

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Solution

The fourth proportional to 13,094,519.89, 18,071,846.92 and 7,214,745.18 is: 9,957,124.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,094,519.89 : 18,071,846.92 = 7,214,745.18 : x
  2. Step 2: Convert to fraction form
    13,094,519.89/18,071,846.92 = 7,214,745.18/x
  3. Step 3: Cross multiply
    13,094,519.89x = 18,071,846.92 × 7,214,745.18
  4. Step 4: Simplify right side
    13,094,519.89x = 130,383,770,459,767.86
  5. Step 5: Solve for x
    x = 130,383,770,459,767.86/13,094,519.89
  6. Step 6: Final answer
    x = 9,957,124.93

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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.