Home / 20,546,037.54-28,345,643.15-11,725,978.88

Finding the Fourth Proportional to 20,546,037.54, 28,345,643.15 and 11,725,978.88

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Solution

The fourth proportional to 20,546,037.54, 28,345,643.15 and 11,725,978.88 is: 16,177,348.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,546,037.54 : 28,345,643.15 = 11,725,978.88 : x
  2. Step 2: Convert to fraction form
    20,546,037.54/28,345,643.15 = 11,725,978.88/x
  3. Step 3: Cross multiply
    20,546,037.54x = 28,345,643.15 × 11,725,978.88
  4. Step 4: Simplify right side
    20,546,037.54x = 332,380,412,929,150.88
  5. Step 5: Solve for x
    x = 332,380,412,929,150.88/20,546,037.54
  6. Step 6: Final answer
    x = 16,177,348.66

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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.