Home / 13,667,098.48-18,860,989.52-7,555,920.64

Finding the Fourth Proportional to 13,667,098.48, 18,860,989.52 and 7,555,920.64

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Solution

The fourth proportional to 13,667,098.48, 18,860,989.52 and 7,555,920.64 is: 10,427,388.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667,098.48 : 18,860,989.52 = 7,555,920.64 : x
  2. Step 2: Convert to fraction form
    13,667,098.48/18,860,989.52 = 7,555,920.64/x
  3. Step 3: Cross multiply
    13,667,098.48x = 18,860,989.52 × 7,555,920.64
  4. Step 4: Simplify right side
    13,667,098.48x = 142,512,140,004,991.69
  5. Step 5: Solve for x
    x = 142,512,140,004,991.69/13,667,098.48
  6. Step 6: Final answer
    x = 10,427,388.10

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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.