Home / 20,546,038.54-28,345,644.52-11,725,979.88

Finding the Fourth Proportional to 20,546,038.54, 28,345,644.52 and 11,725,979.88

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Solution

The fourth proportional to 20,546,038.54, 28,345,644.52 and 11,725,979.88 is: 16,177,350.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,546,038.54 : 28,345,644.52 = 11,725,979.88 : x
  2. Step 2: Convert to fraction form
    20,546,038.54/28,345,644.52 = 11,725,979.88/x
  3. Step 3: Cross multiply
    20,546,038.54x = 28,345,644.52 × 11,725,979.88
  4. Step 4: Simplify right side
    20,546,038.54x = 332,380,457,327,152.25
  5. Step 5: Solve for x
    x = 332,380,457,327,152.25/20,546,038.54
  6. Step 6: Final answer
    x = 16,177,350.04

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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.