Home / 8,189,958.60-12,295,046.70-5,157,318.60

Finding the Fourth Proportional to 8,189,958.60, 12,295,046.70 and 5,157,318.60

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Solution

The fourth proportional to 8,189,958.60, 12,295,046.70 and 5,157,318.60 is: 7,742,343.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189,958.60 : 12,295,046.70 = 5,157,318.60 : x
  2. Step 2: Convert to fraction form
    8,189,958.60/12,295,046.70 = 5,157,318.60/x
  3. Step 3: Cross multiply
    8,189,958.60x = 12,295,046.70 × 5,157,318.60
  4. Step 4: Simplify right side
    8,189,958.60x = 63,409,473,033,778.61
  5. Step 5: Solve for x
    x = 63,409,473,033,778.61/8,189,958.60
  6. Step 6: Final answer
    x = 7,742,343.54

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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.