Home / 13,257,917.46-18,295,745.76-7,456,697.64

Finding the Fourth Proportional to 13,257,917.46, 18,295,745.76 and 7,456,697.64

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Solution

The fourth proportional to 13,257,917.46, 18,295,745.76 and 7,456,697.64 is: 10,290,141.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,257,917.46 : 18,295,745.76 = 7,456,697.64 : x
  2. Step 2: Convert to fraction form
    13,257,917.46/18,295,745.76 = 7,456,697.64/x
  3. Step 3: Cross multiply
    13,257,917.46x = 18,295,745.76 × 7,456,697.64
  4. Step 4: Simplify right side
    13,257,917.46x = 136,425,844,230,632.02
  5. Step 5: Solve for x
    x = 136,425,844,230,632.02/13,257,917.46
  6. Step 6: Final answer
    x = 10,290,141.32

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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.