Home / 31,507,188.68-47,256,583.97-8,786,183.24

Finding the Fourth Proportional to 31,507,188.68, 47,256,583.97 and 8,786,183.24

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Solution

The fourth proportional to 31,507,188.68, 47,256,583.97 and 8,786,183.24 is: 13,178,103.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,507,188.68 : 47,256,583.97 = 8,786,183.24 : x
  2. Step 2: Convert to fraction form
    31,507,188.68/47,256,583.97 = 8,786,183.24/x
  3. Step 3: Cross multiply
    31,507,188.68x = 47,256,583.97 × 8,786,183.24
  4. Step 4: Simplify right side
    31,507,188.68x = 415,205,005,776,652.81
  5. Step 5: Solve for x
    x = 415,205,005,776,652.81/31,507,188.68
  6. Step 6: Final answer
    x = 13,178,103.89

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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.