Home / 21,349,845.06-29,462,244.12-11,930,716.86

Finding the Fourth Proportional to 21,349,845.06, 29,462,244.12 and 11,930,716.86

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Solution

The fourth proportional to 21,349,845.06, 29,462,244.12 and 11,930,716.86 is: 16,464,086.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,349,845.06 : 29,462,244.12 = 11,930,716.86 : x
  2. Step 2: Convert to fraction form
    21,349,845.06/29,462,244.12 = 11,930,716.86/x
  3. Step 3: Cross multiply
    21,349,845.06x = 29,462,244.12 × 11,930,716.86
  4. Step 4: Simplify right side
    21,349,845.06x = 351,505,692,655,919.88
  5. Step 5: Solve for x
    x = 351,505,692,655,919.88/21,349,845.06
  6. Step 6: Final answer
    x = 16,464,086.35

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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.