Home / 13,900,560.60-20,850,840.90-3,665,400.60

Finding the Fourth Proportional to 13,900,560.60, 20,850,840.90 and 3,665,400.60

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Solution

The fourth proportional to 13,900,560.60, 20,850,840.90 and 3,665,400.60 is: 5,498,100.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,900,560.60 : 20,850,840.90 = 3,665,400.60 : x
  2. Step 2: Convert to fraction form
    13,900,560.60/20,850,840.90 = 3,665,400.60/x
  3. Step 3: Cross multiply
    13,900,560.60x = 20,850,840.90 × 3,665,400.60
  4. Step 4: Simplify right side
    13,900,560.60x = 76,426,684,745,364.53
  5. Step 5: Solve for x
    x = 76,426,684,745,364.53/13,900,560.60
  6. Step 6: Final answer
    x = 5,498,100.90

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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.