Home / 12,346,223.54-18,515,410.09-11,540,216.53

Finding the Fourth Proportional to 12,346,223.54, 18,515,410.09 and 11,540,216.53

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Solution

The fourth proportional to 12,346,223.54, 18,515,410.09 and 11,540,216.53 is: 17,306,655.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,346,223.54 : 18,515,410.09 = 11,540,216.53 : x
  2. Step 2: Convert to fraction form
    12,346,223.54/18,515,410.09 = 11,540,216.53/x
  3. Step 3: Cross multiply
    12,346,223.54x = 18,515,410.09 × 11,540,216.53
  4. Step 4: Simplify right side
    12,346,223.54x = 213,671,841,505,207.69
  5. Step 5: Solve for x
    x = 213,671,841,505,207.69/12,346,223.54
  6. Step 6: Final answer
    x = 17,306,655.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.