Home / 21,929,149.60-30,262,584.72-12,005,866.72

Finding the Fourth Proportional to 21,929,149.60, 30,262,584.72 and 12,005,866.72

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Solution

The fourth proportional to 21,929,149.60, 30,262,584.72 and 12,005,866.72 is: 16,568,292.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,929,149.60 : 30,262,584.72 = 12,005,866.72 : x
  2. Step 2: Convert to fraction form
    21,929,149.60/30,262,584.72 = 12,005,866.72/x
  3. Step 3: Cross multiply
    21,929,149.60x = 30,262,584.72 × 12,005,866.72
  4. Step 4: Simplify right side
    21,929,149.60x = 363,328,558,751,028.50
  5. Step 5: Solve for x
    x = 363,328,558,751,028.50/21,929,149.60
  6. Step 6: Final answer
    x = 16,568,292.22

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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.