Home / 13,773,320.60-20,659,980.90-12,933,512.60

Finding the Fourth Proportional to 13,773,320.60, 20,659,980.90 and 12,933,512.60

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Solution

The fourth proportional to 13,773,320.60, 20,659,980.90 and 12,933,512.60 is: 19,400,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,773,320.60 : 20,659,980.90 = 12,933,512.60 : x
  2. Step 2: Convert to fraction form
    13,773,320.60/20,659,980.90 = 12,933,512.60/x
  3. Step 3: Cross multiply
    13,773,320.60x = 20,659,980.90 × 12,933,512.60
  4. Step 4: Simplify right side
    13,773,320.60x = 267,206,123,285,909.31
  5. Step 5: Solve for x
    x = 267,206,123,285,909.31/13,773,320.60
  6. Step 6: Final answer
    x = 19,400,268.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.