Home / 14,947,829.30-20,628,004.38-8,072,310.90

Finding the Fourth Proportional to 14,947,829.30, 20,628,004.38 and 8,072,310.90

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Solution

The fourth proportional to 14,947,829.30, 20,628,004.38 and 8,072,310.90 is: 11,139,789.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947,829.30 : 20,628,004.38 = 8,072,310.90 : x
  2. Step 2: Convert to fraction form
    14,947,829.30/20,628,004.38 = 8,072,310.90/x
  3. Step 3: Cross multiply
    14,947,829.30x = 20,628,004.38 × 8,072,310.90
  4. Step 4: Simplify right side
    14,947,829.30x = 166,515,664,601,921.75
  5. Step 5: Solve for x
    x = 166,515,664,601,921.75/14,947,829.30
  6. Step 6: Final answer
    x = 11,139,789.01

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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.