Home / 13,873,901.40-20,809,815.30-5,784,787.80

Finding the Fourth Proportional to 13,873,901.40, 20,809,815.30 and 5,784,787.80

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Solution

The fourth proportional to 13,873,901.40, 20,809,815.30 and 5,784,787.80 is: 8,676,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,873,901.40 : 20,809,815.30 = 5,784,787.80 : x
  2. Step 2: Convert to fraction form
    13,873,901.40/20,809,815.30 = 5,784,787.80/x
  3. Step 3: Cross multiply
    13,873,901.40x = 20,809,815.30 × 5,784,787.80
  4. Step 4: Simplify right side
    13,873,901.40x = 120,380,365,667,693.34
  5. Step 5: Solve for x
    x = 120,380,365,667,693.34/13,873,901.40
  6. Step 6: Final answer
    x = 8,676,749.40

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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.