Home / 8,321,315.20-12,481,972.80-4,059,289.60

Finding the Fourth Proportional to 8,321,315.20, 12,481,972.80 and 4,059,289.60

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Solution

The fourth proportional to 8,321,315.20, 12,481,972.80 and 4,059,289.60 is: 6,088,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,315.20 : 12,481,972.80 = 4,059,289.60 : x
  2. Step 2: Convert to fraction form
    8,321,315.20/12,481,972.80 = 4,059,289.60/x
  3. Step 3: Cross multiply
    8,321,315.20x = 12,481,972.80 × 4,059,289.60
  4. Step 4: Simplify right side
    8,321,315.20x = 50,667,942,374,522.88
  5. Step 5: Solve for x
    x = 50,667,942,374,522.88/8,321,315.20
  6. Step 6: Final answer
    x = 6,088,934.40

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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.