Home / 13,455,168.36-18,565,295.14-8,558,610.28

Finding the Fourth Proportional to 13,455,168.36, 18,565,295.14 and 8,558,610.28

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Solution

The fourth proportional to 13,455,168.36, 18,565,295.14 and 8,558,610.28 is: 11,809,077.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,455,168.36 : 18,565,295.14 = 8,558,610.28 : x
  2. Step 2: Convert to fraction form
    13,455,168.36/18,565,295.14 = 8,558,610.28/x
  3. Step 3: Cross multiply
    13,455,168.36x = 18,565,295.14 × 8,558,610.28
  4. Step 4: Simplify right side
    13,455,168.36x = 158,893,125,836,438.03
  5. Step 5: Solve for x
    x = 158,893,125,836,438.03/13,455,168.36
  6. Step 6: Final answer
    x = 11,809,077.49

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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.