Home / 7,171,923.60-10,763,760.60-7,115,936.40

Finding the Fourth Proportional to 7,171,923.60, 10,763,760.60 and 7,115,936.40

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Solution

The fourth proportional to 7,171,923.60, 10,763,760.60 and 7,115,936.40 is: 10,679,733.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171,923.60 : 10,763,760.60 = 7,115,936.40 : x
  2. Step 2: Convert to fraction form
    7,171,923.60/10,763,760.60 = 7,115,936.40/x
  3. Step 3: Cross multiply
    7,171,923.60x = 10,763,760.60 × 7,115,936.40
  4. Step 4: Simplify right side
    7,171,923.60x = 76,594,235,854,425.84
  5. Step 5: Solve for x
    x = 76,594,235,854,425.84/7,171,923.60
  6. Step 6: Final answer
    x = 10,679,733.94

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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.