Home / 7,120,644.60-10,680,867.54-1,729,336.44

Finding the Fourth Proportional to 7,120,644.60, 10,680,867.54 and 1,729,336.44

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Solution

The fourth proportional to 7,120,644.60, 10,680,867.54 and 1,729,336.44 is: 2,593,980.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,120,644.60 : 10,680,867.54 = 1,729,336.44 : x
  2. Step 2: Convert to fraction form
    7,120,644.60/10,680,867.54 = 1,729,336.44/x
  3. Step 3: Cross multiply
    7,120,644.60x = 10,680,867.54 × 1,729,336.44
  4. Step 4: Simplify right side
    7,120,644.60x = 18,470,813,447,735.16
  5. Step 5: Solve for x
    x = 18,470,813,447,735.16/7,120,644.60
  6. Step 6: Final answer
    x = 2,593,980.53

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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.