Home / 7,380,408.60-11,070,612.90-6,540,600.60

Finding the Fourth Proportional to 7,380,408.60, 11,070,612.90 and 6,540,600.60

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Solution

The fourth proportional to 7,380,408.60, 11,070,612.90 and 6,540,600.60 is: 9,810,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380,408.60 : 11,070,612.90 = 6,540,600.60 : x
  2. Step 2: Convert to fraction form
    7,380,408.60/11,070,612.90 = 6,540,600.60/x
  3. Step 3: Cross multiply
    7,380,408.60x = 11,070,612.90 × 6,540,600.60
  4. Step 4: Simplify right side
    7,380,408.60x = 72,408,457,376,107.73
  5. Step 5: Solve for x
    x = 72,408,457,376,107.73/7,380,408.60
  6. Step 6: Final answer
    x = 9,810,900.90

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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.